 In late 1972, with Simon & Garfunkel having released their "Greatest Hits" album and briefly reuniting to perform a benefit concert for presidential candidate George McGovern, Garfunkel felt ready to return to his musical career.His first album was 1973's "Angel Clare", which contained "All I Know" along with "I Shall Sing" and "Travelling Boy" as singles.The album was received with mixed reviews, reaching number 5 in the U.S.