Mental Floss

MUSIC

















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In the music world, songs get passed around like a hot potato. Demo songs are sent to one artist, turned down, and recorded by another. Tracks bend gender rules, with Aerosmith snatching a power ballad from Celine Dion and Chris Brown handing over one of

Bryan Dugan




Olivia Newton-John and John Travolta in Grease (1978).

Shot a budget of $6 million budget, 'Grease' made nearly $400 million at the box office—making it one of the highest-grossing musical movies of all time.

Roger Cormier