The Led Zeppelin song "D'yer Mak'er" is pronounced "Jamaica" in reference to the way British people say the country's name, hence the reggae beat.
27. In 1942, the song "Deep in the Heart of Texas" was banned by BBC during working hours on the grounds that its infectious melody might cause wartime factory-hands to neglect their tools while they clapped in time with the song.
28. The 1968 rock song In A Gadda Da Vida was intended to be "In The Garden of Eden". Frontman Doug Ingle, who came up with the song, was hammered on red wine and his bandmates couldn't understand him.
29. Billy Joel's signature song, "Piano Man" is based on Joel's real-life experiences as a lounge musician. John-the-bartender, Paul-the-real-estate-novelist, and the waitress are all real people.
30. Rapper Ol' Dirty Bastard's verse on the hit song "Ghetto Supastar" was the result of him showing up at the wrong studio, loving the song, and asking to be part of it.