Roots of Run the Jewels

Lola Chantrelle Mitchell, known professionally as Gangsta Boo, was an American rapper. She rose to prominence as a member of Three 6 Mafia, which she joined at the age of 14; after releasing six albums, she left the group and its record label after the release of her second solo album Both Worlds *69 (2001) due to financial disputes and issues regarding promotion of the album. She subsequently released several solo albums and became known for collaborating with artists such as Foxy Brown, La Chat, Eminem, GloRilla, Run the Jewels, Lil Jon, Latto, Outkast, Tinashe, and Yelawolf.

Until the Ribbon Breaks, is a Welsh band consisting of the frontman Pete Lawrie-Winfield and Elliot Wall. The band was founded in Cardiff, Wales in 2012, initially as Lawrie-Winfield's solo project and "blends genres like electronic, pop, rock, and hip-hop, but it's all done with a sharp alternative edge".

Big Grams is the self-titled debut EP by American hip-hop trio Big Grams, which consists of rapper Big Boi and electronic rock duo Phantogram. The EP was released on September 25, 2015, by Epic Records.

Jaime Stuart Meline, better known by the stage name El-P, is an American rapper, songwriter, and record producer. He began his career as a member of the widely acclaimed Company Flow, and has been a driving force in alternative hip-hop since the 1990s. He is now most widely-known as one half of Run the Jewels. He has produced for rappers including Aesop Rock, Cage, and Mr. Lif. He was a member of The Weathermen and was the co-founder, owner, and CEO of the Definitive Jux record label.

Company Flow was an American hip hop trio from Brooklyn, New York City, consisting of Bigg Jus, El-P and Mr. Len.