The Doobie Brothers’ original drummer John Hartman has died aged 72. His former bandmates hailed him as a “wild spirit” in a social media statement to mark his passing, which did not state John’s cause of death. The group – named after the 1970s slang ‘doobie’ for a marijuana spliff – said in joint tribute: “Today we are thinking of John Hartman, or Little John to us. John was a wild spirit, great drummer, and showman during his time in the Doobies. “He was also a close friend for many years and an intricate part of the band personality! “We send our condolences to all his loved ones at this d…