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The release of Maestro marked the 40th anniversary of Taj Mahal's career as a recording artist. It features numerous guest artists: Los Lobos appear on "Never Let You Go" and "TV Mama", Jack Johnson shares vocals on a re-recording of Taj's number "Further On Down the Road", and Ben Harper's vocals can be heard on "Dust Me Down". Other guest appearances include Angélique Kidjo (on "Zanzibar") and Ziggy Marley (on "Black Man, Brown Man"). Furthermore, Taj Mahal teams up again with the Phantom Blues Band (with whom he had recorded the Grammy nominated albums Señor Blues and Shoutin' in Key), Toumani Diabaté (with whom he had recorded the album Kulanjan) and his daughter, singer-songwriter Deva Mahal (with whom he had recorded several children's albums in the past).