Doobie Brothers Drummer and Cofounder John Hartman Dead at 72. https://www.msn.com/en-us/music/news/doobie-brothers-drummer-and-cofounder-john-hartman-dead-at-72-a-wild-spirit-band-says/ar-AA12allM?ocid=msedgntp&cvid=b4536653e76d4598bddd4078aacd3403 GO4AWILDRIDE