This is Spinal Tap (1984)

Directed by Rob Reiner and starring Michael McKean, Christopher Guest, Harry Shearer 
and Rob Reiner.

2-disc Special Edition DVD bought in 2003

Up to 11 Edition Blu-ray bought in 2012

83mins

 DVD

Blu-ray extras - 

Audio Commentary with Spinal Tap (in character)
Menu Introduction by the band
This Is Spinal Tap: Up To 11 - documentary (43mins)
Sprinkle Some ***in' Fairy Dust On It" interview with Reg Presley of The Troggs
2007 Live Earth" short film and performance
The Return of Spinal Tap (58mins)
Stonehenge interviews with Nigel
Outtakes and Deleted Scenes (68mins)
Music Videos
Creative Meeting and 'Bitch School' Video
Heavy Metal Memories
Cheese Roll Trailer
Flower People Press Conference
Featurettes (21mins)
Theatrical Trailers