Irving Berlin wrote "How Dry I Am" in anticipation of Prohibition, envisioning a bleak future without alcohol.

Janet Jackson wrote the lyric to "Nasty" in response to random guys calling her "baby."

Walk The Moon vocalist Nicholas Petricca got the idea for "Shut Up and Dance" when he and his girlfriend were taking forever to get drinks at a Los Angeles club bar. Petricca was getting frustrated, so his girlfriend told him to "shut up and dance with me!'"

Eminem spits a total of 1,560 words on "Rap God," earning him an entry in the 2015 Guinness Book of Records for "most words in a hit single."

Bob Seger got inspired to write "Night Moves" after watching the movie American Graffiti, which showed young people growing up in his "neck of the woods."

Irving Berlin said "God Bless America" was "not a patriotic song, but rather an expression of gratitude."
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