Absolutely Free (song) which is explained by Zappa in the spoken introduction to the song ("The first word in this song is discorporate. It means to leave your body"). "Discorporate" plays heavily in Robert Heinlein's science fiction novel "Stranger in a Strange Land", which was very popular among hippies and provided the muse for several songs by Jefferson Airplane. The lyrics also reference the song "Mellow Yellow" by singer-songwriter Donovan, who is often associated with the hippie movement ("The dreams as they live them are all mellow yellow"). On some pressings of the album, especially on earlier releases, two lines of the lyrics
Heaven and Hell (The Who song) by The Who, although Entwistle continued to perform it at his solo shows regularly. The song was re-recorded by Entwistle for his solo album, "Smash Your Head Against the Wall", a longer version featuring a horn section. This version was included on the Entwistle compilation album "So Who's the Bass Player? The Ox Anthology". Heaven and Hell (The Who song) "Heaven and Hell" is a song by English rock band The Who written by group bassist John Entwistle. The studio version (originally recorded for an April 1970 BBC session), which appeared on the B-side of the live "Summertime Blues" single,