Roots of 311

Ward 21 are a group of dancehall musicians and producers from Kingston, Jamaica, named after the psychiatric ward at the University Hospital of the West Indies in Kingston. Comprising Ward 21 are renowned producers and have created hit dancehall riddims like "Badda badda", "Da Joint", "Bellyas", and "Volume" as well as hit singles like "Haters" and "Judgement Day".

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.

New Politics is a Danish rock band from Copenhagen, formed in 2009. It consists of David Boyd, Søren Hansen, and Louis Vecchio. The band's sound has been described as a blend of "punk, pop, and electronically induced dance rock". They have released five albums: New Politics in 2010, A Bad Girl in Harlem in 2013, Vikings in 2015, Lost in Translation in 2017 and An Invitation to an Alternate Reality in 2019. They are best known for their singles "Yeah Yeah Yeah" and "Harlem".

Jimmie's Chicken Shack is an American alternative rock band from Annapolis, Maryland. They are best known for their singles "High" and "Do Right". In 1996 they signed to Elton John's Rocket Records and released two major-label albums, Pushing the Salmanilla Envelope and Bring Your Own Stereo. Both LPs enjoyed minor chart, radio, and MTV success and produced their best-known hits, "High" and "Do Right." After years of squabbling with their label and finally being set free from their contract, the band released three more albums independently, re.present, Fail on Cue, and 2econds.

Korn is an American nu metal band from Bakersfield, California, originally formed in 1993 by James "Munky" Shaffer, Reginald "Fieldy" Arvizu and David Silveria, who were members of the band L.A.P.D. Their current lineup features Shaffer (guitar), Brian "Head" Welch (guitar), Jonathan Davis (vocals), and Ray Luzier (drums), the last of whom replaced Silveria in 2007. The band is notable for pioneering and popularizing the nu metal genre.

Dirty Heads is an American reggae rock band from Huntington Beach, California. Their debut album, Any Port in a Storm, was released on September 23, 2008, by Executive Music Group (Fontana/Universal). Their latest album, 7 Seas, will released on June 12, 2026, by Better Noise Music. They have been associated with music groups such as Sublime with Rome, 311, and Pepper, and have toured with groups including Cobra Starship, Aer, and Gym Class Heroes.