John Mayall, the British blues musician whose influential band the Bluesbreakers was a training ground for Eric Clapton, Mick Fleetwood and many other superstars, has died. He was 90.

A statement on Mayall’s Instagram page announced his death Tuesday, saying the musician died Monday at his home in California. “Health issues that forced John to end his epic touring career have finally led to peace for one of this world’s greatest road warriors,” the post said.

He is credited with…