1971 & 1972 Led Zeppelin All That Glitters Is Gold 1971 Headley Grange and unknown studio 1972 Bombay Session in India Disc 1 - 77.22 1 Black Dog (outtake) 5.04 1971 2 Four Sticks (instrumental) 4.33 3 Four Sticks (alternate take) 5.21 4 Black Dog (rehearsal take 1) 2.48 5 Black Dog (rehearsal take 2) 4.06 6 No Quarter (demo) 4.07 7 Stairway To Heaven (acoustic demo 1) 4.03 8 Stairway To Heaven (acoustic demo 2) 2.57 9 Guitar Improvisations 1.04 10 Stairway To Heaven (acoustic vocal demo) 6.09 11 Stairway To Heaven (rehearsal take 1) 8.22 12 The Battle Of Evermore (alternate take) 5.47 13 Rain Song (original acoustic demo) 4.20 14 Ten Years Gone (acoustic demo) 1.57 15 Ten Years Gone (electric demo) 5.05 16 When The Levee Breaks (alternate take 1) 5.43 17 When The Levee Breaks (alternate take 2) 5.49 Disc 2 - 48.30 1 Friends (rehearsal part 1) 4.14 1972 2 Friends (rehearsal part 2) 14.34 3 Friends (rehearsal part 3) 7.07 4 Friends (rehearsal part 4) 2.08 5 Friends (rehearsal part 5) 3.22 6 Four Sticks 5.14 7 Friends (vocal take 1) 4.55 8 Friends (vocal take 2) 4.26 9 Four Sticks (take 1 & 2) 2.13 10 Four Sticks (take 2 continue) .15 Their Fourth Album Outtakes And Rehearsals Celebration Studio Masters (CSM-001 A/B)