
"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.

Taylor Swift's "Shake It Off" was inspired by how she'd learned to deal with all the false rumors that circulated about her. She realized she could either let it get to her or "just shake it off."

"Do The Bartman," released at the peak of Simpsons-mania, has uncredited backup vocals by Michael Jackson, who later appeared on the show.

In 1979, Madonna was a dancer on Patrick Hernandez' tour, where she boogied to his hit "Born To Be Alive."

"What A Wonderful World," released in 1967 four years before Louis Armstrong died, didn't find an audience in America until 1988 when it was used in the movie Good Morning, Vietnam.
Songs where something goes horribly wrong (literally or metaphorically), and help is needed right away.
The top chant artist in the Western world, Krishna Das talks about how these Hindu mantras compare to Christian worship songs.
The country sweetheart opines about the demands of touring and talks about writing songs with her famous father.
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.
One of Canada's most popular and eclectic performers, Hawksley tells stories about his oldest songs, his plentiful side projects, and the ways that he keeps his songwriting fresh.
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.