Legacy of Blue Thumb Records

David Thomas Mason was an English musician who came to prominence in 1967 as a founding member of the rock band Traffic. He wrote and sang lead vocals on two of the band's best known songs, "Hole in My Shoe" and "Feelin' Alright?" His song "Only You Know and I Know" became a signature song for Delaney & Bonnie, and his 1977 solo hit, "We Just Disagree", has become a staple of U.S. classic hits and adult contemporary radio playlists.