
Pink Floyd's "Talkin' Hawkin'" uses a sample of Stephen Hawking's synthesized voice taken from a speech he made for a 1994 British Telecom commercial.

The chorus in "September" by Earth, Wind & Fire is "Bada-Ya, dancing in September." Group leader Maurice White left it "Bada-Ya" instead of a real word because he never let a lyric get in the way of a groove.

Ellie Goulding's hit single "Burn" was originally demoed by Leona Lewis for her 2011 Glassheart album. She scrapped the tune when the project was retooled to include more ballads.

Sia Furler wrote "Titanium" and wanted to give the tune to Katy Perry. She turned it down, so David Guetta recorded it instead using Sia's original demo guide vocal. It became a big hit, especially in the UK, where it went to #1.

The Boyz II Men hit "It's So Hard To Say Goodbye To Yesterday" is an a capella cover of a song from 1975 by G.C. Cameron that was used in the movie Cooley High to express the feeling of parting ways with high school friends.

The phrase "Hasta la vista, baby" was popularized in the 1987 Jody Watley song "Looking For A New Love," four years before Arnold Schwarzenegger said it in the movie Terminator 2: Judgment Day.
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