"All I Know" is a song written by American songwriter Jimmy Webb, first recorded by Art Garfunkel on his 1973 debut solo album, Angel Clare, released by Columbia Records. Instrumental backing was provided by members of the Wrecking Crew, L.A. session musicians. Garfunkel's version is the best known and highest-charting version, peaking at number nine on the Billboard Hot 100 and number one on the Easy Listening chart for four weeks in October 1973.