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
Mellow Yellow R&B singer/keyboardist Georgie Fame on his album "The Third Face of Fame". In 1970, a Czech version of the song was issued by Czech singer and actor Václav Neckář on the Supraphon label. In 1999, "Mellow Yellow" was sung by a group of young adults, among whom were then-unknowns Alex Greenwald, Rashida Jones and Jason Thompson, in Gap's "Everybody in Cords" commercial directed by Pedro Romhanyi. The music mix was done by the Dust Brothers. In 2015 the song was covered by Spanish singer Abraham Mateo for the soundtrack and promotion of the film "Minions". In Brazil Michel Teló covered