Although he never became the kind of international superstar someone with his remarkable skills should have, Harry Nilsson was arguably the most respected singer, songwriter, and record maker of the '70s, winning a pair of Grammys for his covers of "Everybody's Talkin'," and "Without You." This documentary features archival footage of the quirky performer, and copious new interviews with contemporaries who discuss his outrageous behavior and his formidable talent.