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{{Short description|German organ and piano maker (1714–1786)}} {{Short description|German organ and piano maker (1714–1786)}}
{{Use dmy dates|date=February 2024}}
'''Franz Jakob Späth''' (or '''Spath''';{{efn|His name is now normally written with an Umlaut, but authorities in the past, such as Fétis, Forkel, and Gerber, spelled his name without the Umlaut. Mozart was the first to spell his name with an Umlaut.<ref name="latcham"/>{{rp|150–151}}}} {{circa|1714}} – 23 July 1786) was a German keyboard instrument builder. He was born and died in ], where he worked for most of his life. An organ builder by training, he is more remembered as the most prominent builder of ]s along with his son-in-law ].
{{Infobox person
| name = Franz Jakob Späth
| image =
| caption =
| birth_date = c. 1714
| birth_place = ], Bavaria
| death_date = 23 July {{death year and age|1786|1714}}
| death_place = ], Bavaria
| occupation = {{ubl| Organ builder | Piano maker }}
| known_for = ]s
}}
'''Franz Jakob Späth''' (or '''Spath''';{{efn|His name is now normally written with an umlaut, but authorities in the past, such as Fétis, Forkel, and Gerber, spelled his name without the umlaut. Mozart was the first to spell his name with an umlaut.<ref name="latcham"/>{{rp|150–151}}}} {{circa|1714}} – 23 July 1786) was a German keyboard instrument builder. He was born and died in ], where he worked for most of his life. An organ builder by training, he is known, along with his son-in-law ], as the most prominent builder of ]s.


== Life == == Life ==
Franz Jakob Späth was the son of the organ builder {{ill|Johann Jakob Späth|de}} (1672–1760). He was likely trained in organ building by his father. He took charge of his father's workshop in 1747. In the same year, he married Johanna Rosina Schessinger. The couple had seven children, three of which survived childhood.<ref name="badura-skoda">{{cite book |last1=Badura-Skoda |first1=Eva |title=The eighteenth-century fortepiano grand and its patrons: from Scarlatti to Beethoven |date=2017 |publisher=Indiana University Press |location=Bloomington |isbn=9780253022646}}</ref>{{rp|203–204}} Franz Jakob Späth was the son of the organ builder {{ill|Johann Jakob Späth|de}}. He was likely trained in organ building by his father. He took charge of his father's workshop in 1747. In the same year, he married Johanna Rosina Schessinger. The couple had seven children, three of whom survived childhood.<ref name="badura-skoda">{{cite book |last1=Badura-Skoda |first1=Eva |title=The eighteenth-century fortepiano grand and its patrons: from Scarlatti to Beethoven |date=2017 |publisher=Indiana University Press |location=Bloomington |isbn=9780253022646}}</ref>{{rp|203–204}}


In 1751, he presented a ] to the Elector of Bonn.<ref name="hski"/>{{rp|347}} Instead of striking the strings with a pivoted hammer, they are struck with a non-pivoting vertical hammers called tangents.<ref name="stefano">{{cite journal |last1=Di Stefano |first1=Giovanni Paolo |title=The "Tangentenflügel" and Other Pianos with Non-Pivoting Hammers |journal=The Galpin Society Journal |date=2008 |volume=61 |pages=79–244 |url=https://www.jstor.org/stable/25163927 |issn=0072-0127 |url-access=subscription}}</ref>{{rp|80}} ] reported that the instrument had 30 tone variations, which increased to 50 in 1770.<ref name="gerber">{{cite book |last1=Gerber |first1=Ernst Ludwig |title=Neues historisch-biographisches Lexikon der Tonkünstler |date=1812 |publisher=Leipzig : A. Kühnel |page=122 |url=https://archive.org/details/neueshistorischb04gerb/page/n121/mode/2up}}</ref> In 1751, he presented a ] to the Elector of Bonn.<ref name="hski"/>{{rp|347}} Instead of striking the strings with a pivoted hammer, they are struck with non-pivoting, vertical hammers called tangents.<ref name="stefano">{{cite journal |last1=Di Stefano |first1=Giovanni Paolo |title=The "Tangentenflügel" and Other Pianos with Non-Pivoting Hammers |journal=The Galpin Society Journal |date=2008 |volume=61 |pages=79–244 |jstor=25163927 |url=https://www.jstor.org/stable/25163927 |issn=0072-0127 |url-access=subscription}}</ref>{{rp|80}} ] reported that the instrument had 30 tone variations, which increased to 50 in 1770.<ref name="gerber">{{cite book |last1=Gerber |first1=Ernst Ludwig |title=Neues historisch-biographisches Lexikon der Tonkünstler |date=1812 |publisher=Leipzig : A. Kühnel |page=122 |url=https://archive.org/details/neueshistorischb04gerb/page/n121/mode/2up}}</ref>


The piano builder ] apprenticed with Späth from 1749 to 1750. Stein's ] of 1781 shows Späth's influence.<ref name="grove-stein">{{cite Grove |last1 = Latcham |first1 = Michael |date = 2001 |title = Stein, Johann (Georg) Andreas |url=https://doi.org/10.1093/gmo/9781561592630.article.26631 |url-access=subscription}}</ref> Schmahl continued to manufacture and instruments under his and his father's name until 1793.<ref name="grove-schmahl"/> In 1774, he established a piano building firm with his son-in-law ] (1739–1814), who came from a family of organ builders.<ref name="grove-schmahl">{{cite Grove |last1 = Klotz |first1 = Hans |last2 = Meisel |first2 = Maribel |last3 = Belt |first3 = Philip R. |last4 = Klaus |first4 = Sabine K. |date = 2001 |title =Schmahl|url=https://doi.org/10.1093/gmo/9781561592630.article.24914 |url-access=subscription}}</ref> The piano builder ] apprenticed with Späth from 1749 to 1750. Stein's ] of 1781 shows Späth's influence.<ref name="grove-stein">{{cite Grove |last1 = Latcham |first1 = Michael |date = 2001 |title = Stein, Johann (Georg) Andreas |url=https://doi.org/10.1093/gmo/9781561592630.article.26631 |url-access=subscription}}</ref> In 1774, Späth established a piano building firm with his son-in-law ] (1739–1814), who came from a family of organ builders.<ref name="grove-schmahl">{{cite Grove |last1 = Klotz |first1 = Hans |last2 = Meisel |first2 = Maribel |last3 = Belt |first3 = Philip R. |last4 = Klaus |first4 = Sabine K. |date = 2001 |title =Schmahl|url=https://doi.org/10.1093/gmo/9781561592630.article.24914 |url-access=subscription}}</ref>

Späth died on 23 July 1786. The firm was inherited by Schmahl's son, Christian Carl, but was dissolved after his death.<ref name="grove-schmahl"/>


Späth died on 23 July 1786. The firm was inherited by Schmahl's son, Christian Carl (1782–1815). The firm was dissolved after Christian Carl's death.<ref name="grove-schmahl"/>
== Instruments == == Instruments ==
] ]
Though widely credited as the inventor of the tangent piano, Späth was not the first to invent the tangent action.<ref name="latcham" />{{rp|155}}<ref name="hski" />{{rp|394}} Jean Marius had proposed a similar mechanism in 1716 to the ].<ref name="stefano-marius">{{cite journal |last1=Di Stefano |first1=G. P. |title=The clavecins a maillets of Marius and Veltman: new observations on some of the first pianos in France |journal=Early Music |date=1 February 2011 |volume=39 |issue=1 |pages=35–56 |doi=10.1093/em/caq113 |url=https://academic.oup.com/em/article/39/1/35/413138 |url-access=subscription}}</ref> ] claimed to have invented an instrument with a similar action in 1717, though it was not announced until 1747 in ]'s ''Neu eröffnete musikalische Bibliothek''.<ref name="hski" />{{rp|347}} One surviving tangent piano from the 18th century was likely built in Späth's lifetime.<ref name="grove-spath">{{cite Grove |last1 = Klotz |first1 = Hans |date = 2001 |title = Späth, Franz Jacob |url=https://doi.org/10.1093/gmo/9781561592630.article.26369 |url-access=subscription}}</ref> Schmahl continued to manufacture and sign instruments under his and his father-in-law's name until 1793.<ref name="grove-schmahl"/> Though widely credited as the inventor of the tangent piano, Späth was not the first to invent the tangent action.<ref name="latcham" />{{rp|155}}<ref name="hski" />{{rp|394}} Jean Marius had proposed a similar mechanism in 1716 to the ].<ref name="stefano-marius">{{cite journal |last1=Di Stefano |first1=G. P. |title=The clavecins a maillets of Marius and Veltman: new observations on some of the first pianos in France |journal=Early Music |date=1 February 2011 |volume=39 |issue=1 |pages=35–56 |doi=10.1093/em/caq113 |url=https://academic.oup.com/em/article/39/1/35/413138 |url-access=subscription}}</ref> ] claimed to have invented an instrument with a similar action in 1717, though it was not announced until 1747 in ]'s ''Neu eröffnete musikalische Bibliothek''.<ref name="hski" />{{rp|347}} One surviving tangent piano from the 18th century was likely built in Späth's lifetime.<ref name="grove-spath">{{cite Grove |last1 = Klotz |first1 = Hans |date = 2001 |title = Späth, Franz Jacob |url=https://doi.org/10.1093/gmo/9781561592630.article.26369 |url-access=subscription}}</ref> Schmahl continued to manufacture and sign instruments under his and his father-in-law's name until 1793.<ref name="grove-schmahl"/>


Späth himself never used the term tangent piano ({{lang|de|Tangentenflügel}}), which first appeared in 1791.<ref name="latcham">{{cite journal |last1=Latcham |first1=Michael |title=Franz Jakob Spath and the "Tangentenflügel", an Eighteenth-Century Tradition |journal=The Galpin Society Journal |date=2004 |volume=57 |pages=150–170 |url=https://www.jstor.org/stable/25163799 |issn=0072-0127 |url-access=subscription}}</ref>{{rp|151}} He referred to the mechanism as ''Tangirung'' and the instrument as ''Pandaleons Forte-pianos'', ''Pianoforteinstrumente in Flügelform'', ''clavecin d'amour'', owing to its expressiveness and dynamic range, or simply ''Clavier''.<ref name="stefano"/>{{rp|88}} Späth himself never used the term tangent piano ({{lang|de|Tangentenflügel}}), which first appeared in 1791.<ref name="latcham">{{cite journal |last1=Latcham |first1=Michael |title=Franz Jakob Spath and the "Tangentenflügel", an Eighteenth-Century Tradition |journal=The Galpin Society Journal |date=2004 |volume=57 |pages=150–170 |jstor=25163799 |url=https://www.jstor.org/stable/25163799 |issn=0072-0127 |url-access=subscription}}</ref>{{rp|151}} He referred to the mechanism as ''Tangirung'' and the instrument as ''Pandaleons Forte-pianos'', ''Pianoforteinstrumente in Flügelform'', ''clavecin d'amour'', owing to its expressiveness and dynamic range, or simply ''Clavier''.<ref name="stefano"/>{{rp|88}}


Späth also built ]s and ]. On 10 September 1765, an advertisement for Späth's instruments with the combined fortepiano and harpsichord actions appeared on the ''Leipziger Zeitung''.<ref name="badura-skoda" />{{rp|206–207}} In 1770, he advertised an instrument with three ]s that combined the ''Tangirung'' action with a harpsichord's plucking action.<ref name="grove-harpsipiano">{{cite Grove |last1 = Latcham |first1 = Michael |date = 2001 |title = Harpsichord-piano |url=https://doi.org/10.1093/gmo/9781561592630.article.12423 |url-access=subscription}}</ref> Späth also built ]s and ]. On 10 September 1765, an advertisement for Späth's instruments with the combined fortepiano and harpsichord actions appeared on the ''Leipziger Zeitung''.<ref name="badura-skoda" />{{rp|206–207}} In 1770, he advertised an instrument with three ]s that combined the ''Tangirung'' action with a harpsichord's plucking action.<ref name="grove-harpsipiano">{{cite Grove |last1 = Latcham |first1 = Michael |date = 2001 |title = Harpsichord-piano |url=https://doi.org/10.1093/gmo/9781561592630.article.12423 |url-access=subscription}}</ref>


He was commissioned to build the organ of Regensburg's Dreieinigkeitskirche in 1758. The organ was removed in 2009, retaining only its facade and a few pipes. It was rebuilt by ] to better suit ]'s music.<ref name="ingerthron">{{cite web |last1=Ingerthron |first1=Gabriele |title=Diese Orgel ist einzigartig |url=https://www.evangelisch.de/inhalte/170997/06-06-2020/dreieinigkeitskirche-regensburg-wird-die-neue-bachorgel-intoniert |website=www.evangelisch.de |access-date=8 January 2024 |language=de |date=6 June 2020}}</ref> The rebuilding was completed in the summer of 2020.<ref>{{cite web |last1=Schiller |first1=Lea M. |last2=Harmsen |first2=Rieke C. |title=Regensburg: "Dreieinigkeitskirche" - Evangelische Kirche im Dekanat Regensburg {{!}} Sonntagsblatt - 360 Grad evangelisch |url=https://www.sonntagsblatt.de/evangelische-dreieinigkeitskirche-regensburg |website=Sonntagsblatt |access-date=8 January 2024 |language=de |date=22 June 2021}}</ref> Späth also built the organ in Oswaldkirche in 1753.<ref name="badura-skoda" />{{rp|204}} Späth built the organ in Regensburg's Dreieinigkeitskirche, which was completed in 1758.<ref name="grove-spath" /> It was renovated in 1892 by Johannes Strebel. The renovation replaced the ] and added three ] ranks, while preserving the instrument's facade.<ref name="topp" />{{rp|664}} It was renovated again in 1966 by Detlef Kleuker. The new organ was prone to faults and had to be repaired often. It was removed in 2009<ref name="topp" />{{rp|668}} and was rebuilt by ] to better suit ]'s music by basing it on Thuringian and Central German organs, which Bach composed for,<ref name="dreieinigkeitskirche">{{cite web |title=Bach-Orgel |url=https://www.dreieinigkeitskirche.de/unsere-kirchen/bach-orgel |website=www.dreieinigkeitskirche.de |access-date=16 February 2024 |language=de}}</ref> while preserving Späth's facade.<ref name="ingerthron">{{cite web |last1=Ingerthron |first1=Gabriele |title=Diese Orgel ist einzigartig |url=https://www.evangelisch.de/inhalte/170997/06-06-2020/dreieinigkeitskirche-regensburg-wird-die-neue-bachorgel-intoniert |website=www.evangelisch.de |access-date=8 January 2024 |language=de |date=6 June 2020}}</ref> The rebuilding was completed in the summer of 2020.<ref>{{cite web |last1=Schiller |first1=Lea M. |last2=Harmsen |first2=Rieke C. |title=Regensburg: "Dreieinigkeitskirche" - Evangelische Kirche im Dekanat Regensburg {{!}} Sonntagsblatt - 360 Grad evangelisch |url=https://www.sonntagsblatt.de/evangelische-dreieinigkeitskirche-regensburg |website=Sonntagsblatt |access-date=8 January 2024 |language=de |date=22 June 2021}}</ref> Späth also built the organ in Oswaldkirche in 1753<ref name="badura-skoda" />{{rp|204}} and planned to build a new organ for the ]. After it was vetoed by the bishop, Späth was only instructed to repair the cathedral's old organ.<ref name="topp">{{cite book |last1=Topp |first1=Martina |title=Roma quanta fuit |date=2010 |publisher=Wißner |isbn=978-3-89639-799-7 |pages=655–678 |chapter=Die Orgel in der Dreieinigkeitskirche zu Regensburg}}</ref>{{rp|657}}


His instruments were generally well-regarded. ] praised his fortepianos in his 1782 {{lang|de|Musikalischer Almanach für Deutschland}}.<ref name="forkel">{{cite book |last1=Forkel |first1=Johann Nikolaus |title=Musikalischer Almanach für Deutschland auf das Jahr 1782 |date=1782 |page=201 |url=https://archive.org/details/MusikalischerAlmanachFrDeutschlandAufDasJahr1782/page/n207/mode/2up |language=German}}</ref> In 1777 ] wrote to ] that Späth's fortepianos were his favorite, before he was introduced to Stein's.<ref name="hski">{{cite book |last1=Pollens |first1=Stewart |title=A history of stringed keyboard instruments |date=2022 |publisher=Cambridge University Press |isbn=978-1-108-42199-7}}</ref>{{rp|387}} {{ill|Carl Ludwig Junker|fr}} reported that ] refused to play on an instrument made by Späth. Junker postulated that Beethoven, who played Stein's pianos in Bonn, was not accustomed to playing Späth's pianos.<ref>{{cite book |last1=Skowroneck |first1=Tilman |editor1-last=Burnham |editor1-first=Scott |editor2-last=Steinberg |editor2-first=Michael P. |title=Beethoven and His World |date=2000 |publisher=Princeton University Press |isbn=9780691070735 |pages=151–192 |language=en |chapter=The Keyboard Instruments of Young Beethoven}}</ref>{{rp|162–163}} Späth's instruments were generally well-regarded. ] praised his fortepianos in his 1782 {{lang|de|Musikalischer Almanach für Deutschland}}.<ref name="forkel">{{cite book |last1=Forkel |first1=Johann Nikolaus |title=Musikalischer Almanach für Deutschland auf das Jahr 1782 |date=1782 |page=201 |url=https://archive.org/details/MusikalischerAlmanachFrDeutschlandAufDasJahr1782/page/n207/mode/2up |language=German}}</ref> In 1777, ] wrote to ] that Späth's fortepianos were his favorite, before he was introduced to Stein's.<ref name="hski">{{cite book |last1=Pollens |first1=Stewart |title=A history of stringed keyboard instruments |date=2022 |publisher=Cambridge University Press |isbn=978-1-108-42199-7}}</ref>{{rp|387}} {{ill|Carl Ludwig Junker|fr}} reported that ] refused to play on an instrument made by Späth. Junker postulated that Beethoven, who played Stein's pianos in Bonn, was not accustomed to playing Späth's pianos.<ref>{{cite book |last1=Skowroneck |first1=Tilman |editor1-last=Burnham |editor1-first=Scott |editor2-last=Steinberg |editor2-first=Michael P. |title=Beethoven and His World |date=2000 |publisher=Princeton University Press |isbn=9780691070735 |pages=151–192 |language=en |chapter=The Keyboard Instruments of Young Beethoven}}</ref>{{rp|162–163}}


== Notes == == Notes ==
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Latest revision as of 02:40, 23 September 2024

German organ and piano maker (1714–1786)

Franz Jakob Späth
Bornc. 1714
Regensburg, Bavaria
Died23 July 1786 (aged 71–72)
Regensburg, Bavaria
Occupations
  • Organ builder
  • Piano maker
Known forTangent pianos

Franz Jakob Späth (or Spath; c. 1714 – 23 July 1786) was a German keyboard instrument builder. He was born and died in Regensburg, where he worked for most of his life. An organ builder by training, he is known, along with his son-in-law Christoph Friedrich Schmahl, as the most prominent builder of tangent pianos.

Life

Franz Jakob Späth was the son of the organ builder Johann Jakob Späth [de]. He was likely trained in organ building by his father. He took charge of his father's workshop in 1747. In the same year, he married Johanna Rosina Schessinger. The couple had seven children, three of whom survived childhood.

In 1751, he presented a tangent piano to the Elector of Bonn. Instead of striking the strings with a pivoted hammer, they are struck with non-pivoting, vertical hammers called tangents. Ernst Ludwig Gerber reported that the instrument had 30 tone variations, which increased to 50 in 1770.

The piano builder Johann Andreas Stein apprenticed with Späth from 1749 to 1750. Stein's claviorgan of 1781 shows Späth's influence. In 1774, Späth established a piano building firm with his son-in-law Christoph Friedrich Schmahl (1739–1814), who came from a family of organ builders.

Späth died on 23 July 1786. The firm was inherited by Schmahl's son, Christian Carl, but was dissolved after his death.

Instruments

Organ at the Dreieinigheitskirche

Though widely credited as the inventor of the tangent piano, Späth was not the first to invent the tangent action. Jean Marius had proposed a similar mechanism in 1716 to the French Academy of Sciences. Christoph Gottlieb Schröter claimed to have invented an instrument with a similar action in 1717, though it was not announced until 1747 in Lorenz Christoph Mizler's Neu eröffnete musikalische Bibliothek. One surviving tangent piano from the 18th century was likely built in Späth's lifetime. Schmahl continued to manufacture and sign instruments under his and his father-in-law's name until 1793.

Späth himself never used the term tangent piano (Tangentenflügel), which first appeared in 1791. He referred to the mechanism as Tangirung and the instrument as Pandaleons Forte-pianos, Pianoforteinstrumente in Flügelform, clavecin d'amour, owing to its expressiveness and dynamic range, or simply Clavier.

Späth also built harpsichords and harpsichord-pianos. On 10 September 1765, an advertisement for Späth's instruments with the combined fortepiano and harpsichord actions appeared on the Leipziger Zeitung. In 1770, he advertised an instrument with three manuals that combined the Tangirung action with a harpsichord's plucking action.

Späth built the organ in Regensburg's Dreieinigkeitskirche, which was completed in 1758. It was renovated in 1892 by Johannes Strebel. The renovation replaced the principal pipes and added three reed pipe ranks, while preserving the instrument's facade. It was renovated again in 1966 by Detlef Kleuker. The new organ was prone to faults and had to be repaired often. It was removed in 2009 and was rebuilt by Jürgen Ahrend to better suit Johann Sebastian Bach's music by basing it on Thuringian and Central German organs, which Bach composed for, while preserving Späth's facade. The rebuilding was completed in the summer of 2020. Späth also built the organ in Oswaldkirche in 1753 and planned to build a new organ for the Regensburg Cathedral. After it was vetoed by the bishop, Späth was only instructed to repair the cathedral's old organ.

Späth's instruments were generally well-regarded. Forkel praised his fortepianos in his 1782 Musikalischer Almanach für Deutschland. In 1777, Mozart wrote to his father that Späth's fortepianos were his favorite, before he was introduced to Stein's. Carl Ludwig Junker [fr] reported that Beethoven refused to play on an instrument made by Späth. Junker postulated that Beethoven, who played Stein's pianos in Bonn, was not accustomed to playing Späth's pianos.

Notes

  1. His name is now normally written with an umlaut, but authorities in the past, such as Fétis, Forkel, and Gerber, spelled his name without the umlaut. Mozart was the first to spell his name with an umlaut.

References

  1. ^ Latcham, Michael (2004). "Franz Jakob Spath and the "Tangentenflügel", an Eighteenth-Century Tradition". The Galpin Society Journal. 57: 150–170. ISSN 0072-0127. JSTOR 25163799.
  2. ^ Badura-Skoda, Eva (2017). The eighteenth-century fortepiano grand and its patrons: from Scarlatti to Beethoven. Bloomington: Indiana University Press. ISBN 9780253022646.
  3. ^ Pollens, Stewart (2022). A history of stringed keyboard instruments. Cambridge University Press. ISBN 978-1-108-42199-7.
  4. ^ Di Stefano, Giovanni Paolo (2008). "The "Tangentenflügel" and Other Pianos with Non-Pivoting Hammers". The Galpin Society Journal. 61: 79–244. ISSN 0072-0127. JSTOR 25163927.
  5. Gerber, Ernst Ludwig (1812). Neues historisch-biographisches Lexikon der Tonkünstler. Leipzig : A. Kühnel. p. 122.
  6. Latcham, Michael (2001). "Stein, Johann (Georg) Andreas". Grove Music Online (8th ed.). Oxford University Press. ISBN 978-1-56159-263-0.
  7. ^ Klotz, Hans; Meisel, Maribel; Belt, Philip R.; Klaus, Sabine K. (2001). "Schmahl". Grove Music Online (8th ed.). Oxford University Press. ISBN 978-1-56159-263-0.
  8. Di Stefano, G. P. (1 February 2011). "The clavecins a maillets of Marius and Veltman: new observations on some of the first pianos in France". Early Music. 39 (1): 35–56. doi:10.1093/em/caq113.
  9. ^ Klotz, Hans (2001). "Späth, Franz Jacob". Grove Music Online (8th ed.). Oxford University Press. ISBN 978-1-56159-263-0.
  10. Latcham, Michael (2001). "Harpsichord-piano". Grove Music Online (8th ed.). Oxford University Press. ISBN 978-1-56159-263-0.
  11. ^ Topp, Martina (2010). "Die Orgel in der Dreieinigkeitskirche zu Regensburg". Roma quanta fuit. Wißner. pp. 655–678. ISBN 978-3-89639-799-7.
  12. "Bach-Orgel". www.dreieinigkeitskirche.de (in German). Retrieved 16 February 2024.
  13. Ingerthron, Gabriele (6 June 2020). "Diese Orgel ist einzigartig". www.evangelisch.de (in German). Retrieved 8 January 2024.
  14. Schiller, Lea M.; Harmsen, Rieke C. (22 June 2021). "Regensburg: "Dreieinigkeitskirche" - Evangelische Kirche im Dekanat Regensburg | Sonntagsblatt - 360 Grad evangelisch". Sonntagsblatt (in German). Retrieved 8 January 2024.
  15. Forkel, Johann Nikolaus (1782). Musikalischer Almanach für Deutschland auf das Jahr 1782 (in German). p. 201.
  16. Skowroneck, Tilman (2000). "The Keyboard Instruments of Young Beethoven". In Burnham, Scott; Steinberg, Michael P. (eds.). Beethoven and His World. Princeton University Press. pp. 151–192. ISBN 9780691070735.
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