Benjamin Booker is an American musician, singer, songwriter and guitarist. He cites The Gun Club, Blind Willie Johnson and T. Rex as influences. His music was described by the Chicago Tribune as "a raw brand of blues/boogie/soul,", by The Independent as "frenzied guitar-strumming and raw, soulful vocals that are hair-raising in intensity" and by Spin as "bright, furious, explosive garage rock."

Mavis Staples is an American rhythm and blues and gospel singer and civil rights activist. She rose to fame as a member of her family's band The Staple Singers, of which she is the last surviving member. During her time in the group, she recorded the hit singles "I'll Take You There" and "Let's Do It Again". In 1969, Staples released her self-titled debut solo album.