Paul McCartney dreamed the melody of "Yesterday" one night and immediately wrote the music the next morning. He then looked around for a month to make sure that he didn't subconsciously plagiarize it from somebody else.
11
Putting your car alarm remote under your chin or beside your head increases its range.
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There's a road in Lancaster, CA that has grooves carved in such a way that when you drive over them at 55 MPH, they will play a part of Rossini's "The William Tell Overture."
16
In Montreal, there's a bus stop with swings that play musical notes when you swing on them.
20