Tracks are taken from the following albums: A1: Benefit A2 & A5: Aqualung A3: Thick as a Brick A4 & B4: WarChild B & B6: Stand Up B2: Living in the Past B3: A Passion Play B5: previously unreleased "M.U." stands for "Musician's Union" Track A2 is the same as in the Aqualung album but with a different vocal track. Different label (1976) from this edition: [r7751880]