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Rapcore originated from rap rock, a genre fusing vocal and instrumental elements of hip hop with rock. Beastie Boys, formerly a hardcore punk group, began working in the hip hop genre. Their debut album, Licensed to Ill, largely featured a rock-based sound. Biohazard is considered to be a strong influence on the genre's development. Huntington Beach-based punk band Hed PE performs a fusion of styles ranging from hip hop and reggae to punk rock, hardcore punk and heavy metal. Although they are considered to be performers in the rapcore genre, they refer to their musical style as "G-punk". Kottonmouth Kings perform a style which they refer to as "psychedelic hip-hop punk rock".
Although the popularity of rap rock genres is believed to be declining, some believe that rapcore may regain popularity, with younger music fans discovering bands in the genre. Drew Simollardes of the rapcore band Reveille states that "I feel like lately it’s more appropriate. People are sick of a lot of the stuff that's out there right now."
^ Ambrose, Joe (2001). "Moshing - An Introduction". The Violent World of Moshpit Culture. Omnibus Press. p. 5. ISBN0-7119-8744-0.
^ McIver, Joel (2002). "The Shock of the New". Nu-Metal: The Next Generation of Rock & Punk. Omnibus Press. p. 10. ISBN0-7119-9209-6.
Dent, Susie (2003). The Language Report. Oxford University Press. p. 43. ISBN0-19-860860-8.
Signorelli, Luca (ed.). "Stuck Mojo". Metallus. Il libro dell'Heavy Metal (in Italian). Giunti Editore Firenze. p. 173. ISBN88-09-02230-0.
Bush, John (2002). "Limp Bizkit". All Music Guide to Rock. Hal Leonard Corporation. p. 656. ISBN0-87930-653-X. One of the most energetic groups in the fusion of metal, punk and hip-hop sometimes known as rapcore.
Newquist, H. P (2004). "Introduction". The New Metal Masters. Backbeat Books. p. 6. ISBN0-87930-804-4. {{cite book}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)