Legendary Doobie Brothers drummer and co-founder John Hartman died at the age of 72, band members announced on social media. The Doobie Brothers released a statement to social media Sept. 22 regarding Hartman’s death. His cause of death and the exact date of his passing was not revealed in their post. “Today we are thinking of John Hartman, or Little John to us,” the band wrote on Instagram. “John was a wild spirit, great drummer, and showman during his time in the Doobies,” they continued. He was the band’s original drummer, and is credited for bringing the band’s signature sounds...