
Jay-Z did the rap on Beyoncé's "Crazy In Love" at the last minute. They had just started dating; she asked him to feature on the track the night before she had to turn in her album.

"Lean On" was originally sent by Major Lazer to both Rihanna and Nicki Minaj's camps as a slower reggae track. After both parties rejected the tune, Major Lazer recruited Danish singer MØ to supply vocals and they recorded it themselves.

The "Don't Stop Believin'" lyric was inspired by Sunset Boulevard, making it perfect for the Rock of Ages musical.

"Sing" was inspired by a girl that Ed Sheeran met in Las Vegas in the summer of 2013, when "one thing led to another and now she's kissing my mouth."

Mike Campbell from Tom Petty & the Heartbreakers played the slide guitar on "Sixth Avenue Heartache." There is a connection here - Wallflowers lead singer Jakob's dad, Bob Dylan, played with Tom Petty in The Traveling Wilburys.

The setting for the Queensrÿche song "Jet City Woman" is Seattle, the "jet city."
U2, Carly Simon, Joanna Newsom, Brian Wilson and Fiona Apple have all gone to Van Dyke Parks to make their songs exceptional.
Many unusual folks appear in Grateful Dead songs. Can you identify them?
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.
When a song describes a wedding, it's rarely something to celebrate - with one big exception.
Laura Nyro talks about her complex, emotionally rich songwriting and how she supports women's culture through her art.
The Stooges guitarist (and producer of the Kill City album) talks about those early recordings and what really happened with David Bowie.