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
Song of the Yellow Bird Song of the Yellow Bird Song of the Yellow Bird (, Hwangjoga) is the oldest known Korean song and was written by Yuri of Goguryeo in 17 B.C. It was written lamenting the loss of one of his wives who left his household following a quarrel with another of his wives. While Yuri of Goguryeo was away hunting, his second wife Chihui, who was Han Chinese, was scolded by his first wife Hwa hui, saying “How can you be so rude even though you are only a Han Chinese housemaid?" Chihui left the household, never to return. Missing her greatly