
The first #1 hit with the word "disco" in the title wasn't a disco song. It was an R&B song called "Disco Lady" by Johnnie Taylor in 1976. The lady he's singing about is disco, but the song isn't.

The melody to "Yesterday" came to Paul McCartney in a dream, but the lyrics he had to write consciously. His first attempt at the title was "Scrabble Eggs."

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.

The first version of The Beatles' "Helter Skelter" was a 27-minute jam, so you can imagine what Ringo was going through pounding away on drums. To convince the guys he needed a break, he screamed, "I've got blisters on my fingers!" This was included on the fadeout.

"Thinking About You" was the ninth track from Calvin Harris' 18 Months album to enter the UK singles Top 10. No other artist has obtained so many hits from one LP - Michael Jackson was the previous record holder with seven Top 10 tunes from both his Bad and Dangerous sets.

Michael McDonald's "I Keep Forgettin'" is based on a '60s song with the same title written by Jerry Leiber and Mike Stoller.
The Guns N' Roses rhythm guitarist in the early '90s, Gilby talks about the band's implosion and the side projects it spawned.
Songs about drugs, revolution and greed that have been used in commercials for sneakers, jeans, fast food, cruises and cars.
Tom stopped performing Thompson Twins songs in 1987, in part because of their personal nature: "Hold Me Now" came after an argument with his bandmate/girlfriend Alannah Currie.
The top chant artist in the Western world, Krishna Das talks about how these Hindu mantras compare to Christian worship songs.
A big list of musical marriages and family relations ranging from the simple to the truly dysfunctional.