The guitar player and singer who is known as the patriarch of the jam band movement is dead after collapsing on stage. The Los Angeles Times reports that Col. Bruce Hampton died Monday night in Atlanta.

Hampton collapsed onstage during a concert celebrating his 70th birthday, which was on Sunday. He was performing “Turn On Your Lovelight” during an encore near the end of the “Hampton 70: A Celebration of Col. Bruce Hampton” birthday concert at Atlanta’s Fox Theatre when he died.

The Fulton County Medical Examiner confirmed Hampton’s death today.

In a statement posted on the Tedeschi Trucks Band’s Facebook page, Hampton’s family said: “After collapsing on stage surrounded by his friends, family, fans and the people he loved Col. Bruce Hampton has passed away. The family is asking for respect and privacy at this difficult time.”

The Tedeschi Trucks Band also played during the concert.

Hampton was born Gustav Berglund III in Knoxville, Tenn., in 1947, later taking the stage name Col. Bruce Hampton, Ret. He was involved in a series of bands including the avant-garde Hampton Grease Band, the Codetalkers and the Aquarium Rescue Unit.