An ageing hard-living 1970s rock star decides to change his life when he discovers a 40-year-old undelivered letter written to him by John Lennon.

Christopher Guest, Michael McKean and Harry Shearer perform songs from their films and other projects before a live audience in a concert that took place at the Riverside Theater in Milwaukee, Wisconsin on May 31, 2009.

The possibility of Oscar gold holds the cast and crew of an independent film in its grip after the performance of its virtually unknown, veteran star generates awards buzz.

Aspiring director Corky St. Clair and the marginally talented amateur cast of his hokey small-town musical production go overboard when they learn that Broadway theater agent Mort Guffman will be in attendance.

Spinal Tap is back in a whole new feature-length rockumentary. Go behind the scenes and find out where the somewhat-less-than-fab three are now -- and where it all began in Squatney, England. Also, catch up with director Marty DiBergi, ex-Polymer marketing whiz Artie Fufkin, and Jeanine, who now owns a shop specializing in itchy Irish clothing.