Richard (Rick) Wright, who played keyboards and helped co-found the rock band Pink Floyd, has lost his battle with cancer and passed away at the age of 65-years old.

Wright formed Pink Floyd along with Roger Waters and Nick Mason. He wrote, played keyboards, and sang on some of the band’s biggest songs, like ”The Great Gig In The Sky” and ”Us And Them” from 1973′s The Dark Side Of The Moon. He left band in the early ’80s but rejoined for their 1987 album A Momentary Lapse of Reason.

Wright is survived by his third wife Millie Wright and their son Ben Wright.