He played on Donovan's "Barabajagal" (1968), as well as on Jeff Beck's Beck-Ola (1969). For David Bowie, he performed on the Diamond Dogs album in 1974, and live with Bowie on his subsequent North American tour, including a recording at the Tower Philadelphia released as David Live. Newman was one of the featured drummers on the soundtrack to the film version of The Who's Tommy.
He resides in Las Vegas, Nevada, United States, with his wife Toril. Newman has five children, three of them drummers.