Yes: The Going for the One sessions 1976

Going for the One is the eighth studio album from the English progressive rock band Yes, released in 1977 on Atlantic Records. Produced after each member of the group released a solo record, the album marks the return of keyboardist Rick Wakeman, who departed in 1974 over musical differences in Tales from Topographic Oceans (1973). Read more here. 

Rush's 2112 and Moving Pictures albums

2112 front cover

2112 is the fourth studio album by the Canadian rock band, Rush. Released in 1976, the album features an eponymous seven-part suite written by Geddy Lee and Alex Lifeson, with lyrics written by Neil Peart telling a dystopian story set in the year 2112. 2112 is one of the two Rush albums listed in the 1001 Albums You Must Hear Before You Die, the other being Moving Pictures. Read more here. 

Transatlantic: The making of The Whirlwind

The Whirlwind is the third studio album by the progressive rock supergroup Transatlantic, released on 23 October 2009. It is available in three formats: a standard edition, a double disc special edition and a deluxe edition with the making-of DVD that follows. Read more here.

The making of The Dark Side of the Moon

The Dark Side of the Moon is the eighth studio album by the English progressive and psychedelic/space rock band Pink Floyd, released in March 1973. The album's themes include conflict, greed, the passage of time, and mental illness, the latter partly inspired by the deteriorating mental state of Syd Barrett, Pink Floyd's founder member, principal composer and lyricist who left the band in 1968. Read more here.