Dave Mason, Songwriter and a Co-Founder of Traffic, Dies at 79

An English singer and guitarist, he wrote classic-rock mainstays like “Feelin’ Alright?” and “Only You Know and I Know.” He also had a successful solo career, singing “We Just Disagree.”

​An English singer and guitarist, he wrote classic-rock mainstays like “Feelin’ Alright?” and “Only You Know and I Know.” He also had a successful solo career, singing “We Just Disagree.”