The album was one for CDs, as well as high-end audio equipment in general. So many people wanted a copy of one of the best-sounding recordings ever made in a format that wouldn't wear out like vinyl or tape that EMI had a CD plant dedicated to nothing but The Dark Side of the Moon in The '80s.
It was also seen as such for Quadrophonic (4-channel surround) sound systems, which used specially-made vinyl albums and 8-track tapes, which tried to gain traction during the '70s. A 5.1-channel surround mix was released on Super Audio CD (a CD format developed by Sony & Philips that tried to gain traction before the advent of Blu-ray), for the album's 30th anniversary in 2003. Both the 4.0 mix and 5.1 would eventually be included on the...
Limited Special Collector's Ultimate Edition: A box set of the album was released in 2011 as part of a massive re-release of the band's catalog. It includes four different mixes of the album, a live version performed in London in 1974, tour films, demos, a hardcover book, and other collectibles.
Name's the Same: The band Medicine Head released an album titled The Dark Side of the Moon a year before Pink Floyd did, while they were writing this album. Once the Medicine Head album was deemed a commercial flop, Pink Floyd went back to using the DSOTM title for themselves, having debuted their album live as Eclipse.
Paul McCartney and his wife Linda were interviewed for the voices on the album, but their responses weren't as interesting as the others and the recordings weren't used. Interviewed for John Harris' The Dark Side of the Moon: The Making of the Pink Floyd Masterpiece, Waters said that their answers were "trying too hard to be funny".
"On the Run" was originally a bluesy jam.
"The Great Gig in the Sky" had recordings of preachers in early versions.
Throw It In!: "On the Run" was the result of David Gilmour messing around with the EMS Synthi A's sequencer. Roger Waters started playing with the riff and the band added other effects.
Working Title: The album was originally going to be called Eclipse, which was the name used for the band's 1972 concerts.