The Claypool Lennon Delirium is an American rock band formed in 2015, consisting of Primus bassist/vocalist Les Claypool and Sean Lennon, the son of John Lennon and Yoko Ono. The band is known for its experimental and psychedelic sound, blending elements of funk, prog-rock, and alternative rock. Their music often features complex rhythms, intricate guitar work and off-beat lyrics. The band has released two studio albums, "Monolith of Phobos" in 2016 and "South of Reality" in 2019, both albums received positive reviews from critics and fans. The band's live shows are known for its high-energy performances and avant-garde approach to music, making them a one-of-a-kind experience for the audience.
Ultrasound provides board groups for all US tour dates from 2019-present.