Bassist, guitarist, vocalist and composer active as a member of The Doobie Brothers from 1972 to 1980 and 1987 to 1992. He replaced Dave Shrogen in the group.
He previously performed in an acoustic trio called Scratch alongside fellow Doobie Brother Patrick Simmons.
He put out a self-produced solo album called Playing To An Empty House in 1995. He would join the California-based Beatles tribute band White Album Ensemble and another band called Stormin' Norman and the Cyclones.
Full name Tiran Calvin Porter, he would graduate from Lawndale, California-based Leuzinger High School.