Aja was the biggest selling album of Steely Dan's career, reaching #3 on the U.S. Billboard chart and #5 in the UK. This is a portrait of the making of this 1977 jazz-rock album. It includes archival footage, newly recorded performances, and interviews with Donald Fagen, Walter Becker, producer Gary Katz, songwriter Ian Dury, Doobie Brothers member Michael McDonald, and the session musicians involved in the recording.