Roots of Everlast

House of Pain was an American hardcore hip-hop trio. They are also regarded as pioneers of Irish rap due to their Celtic aesthetics. Consisting of DJ Lethal, Danny Boy and Everlast, they released three albums: House of Pain (1992), Same as It Ever Was (1994) and Truth Crushed to Earth Shall Rise Again (1996). They are best known for their 1992 hit single "Jump Around", which reached number 3 in the United States, number 6 in Ireland, and number 8 in the United Kingdom.

Paul Edward Huston, better known by his stage name Prince Paul, is an American record producer, disc jockey and recording artist from Amityville, New York. Paul began his career as a DJ for Stetsasonic. He has worked on albums by Boogie Down Productions, Gravediggaz, MC Lyte, Big Daddy Kane and 3rd Bass, among others. Major recognition for Prince Paul came when he produced De La Soul's debut album 3 Feet High and Rising (1989), in which he pioneered new approaches to hip hop production, mixing and sampling, notably by including comedy sketches.

Rage Against the Machine was an American rock band formed in Los Angeles, California, in 1991. It consisted of vocalist Zack de la Rocha, bassist and backing vocalist Tim Commerford, guitarist Tom Morello, and drummer Brad Wilk. They melded heavy metal, rap, punk rock, and funk with anti-authoritarian, anti-capitalist, and revolutionary lyrics. As of 2010, they had sold over 16 million records worldwide. They were inducted into the Rock and Roll Hall of Fame in 2023.

Helmet is an American alternative metal band from New York City formed in 1989 by vocalist and lead guitarist Page Hamilton. Helmet has had numerous lineup changes with Hamilton as the only constant member. Since 2010, the band has consisted of Hamilton, drummer Kyle Stevenson, guitarist Dan Beeman and bassist Dave Case.

Cypress Hill is an American hip-hop group formed in South Gate, California in 1988. One of the first Latin American groups to gain mainstream recognition in hip-hop, they have sold over 20 million albums worldwide, and have obtained multi-platinum and RIAA platinum certifications. They are considered to be among the main progenitors of West Coast hip-hop and 1990s hip-hop. All of the group members advocate for recreational marijuana use as well as medical marijuana use of cannabis in the United States. In 2019, Cypress Hill became the first hip-hop group to have a star on the Hollywood Walk of Fame.

Gang Starr were an American hip hop duo, consisting of Houston-born record producer DJ Premier and Boston-based rapper Guru.