Janet Jackson's "Rhythm Nation" was inspired by the tribes that came together at New York dance clubs.
Ariana Grande's collaboration with Zedd, "Break Free" came about after the Russian-German producer overheard Grande performing at a label showcase while he was backstage, and he mentioned to his team that he wanted to work with her.
A perfume called Wonderstruck was named after a line in Taylor Swift's song "Enchanted": "I'm wonderstruck, blushing all the way home."
The first time Jimmy Page, Robert Plant, John Bonham and John Paul Jones all recorded together in the studio was when they backed American singer PJ Proby on his 1969 album Three Week Hero.
Joni Mitchell wrote "Woodstock" - the most popular song about the festival - but didn't attend the event because she was booked on The Dick Cavett Show.
Two tears roll down Sinead O'Connor's face toward the end of the video for "Nothing Compares 2 U." They were shed because she associated the song's lyrics of love and loss with her mother, who was killed in a car accident in 1985.
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
An Electronic music pioneer with Asperger's Syndrome. This could be interesting.
The Bush frontman on where he finds inspiration for lyrics, if his "machine head" is a guitar tuner, and the stories behind songs from the album The Kingdom.
A top New York studio musician, Ralph played guitar on many '60s hits, including "Lightnin' Strikes," "A Lover's Concerto" and "I Am A Rock."
Katy Perry mentions McDonald's, Beyoncé calls out Red Lobster, and Supertramp shouts out Taco Bell - we found the 10 restaurants most often mentioned in songs.
The powerhouse producer behind Janet Jackson's hits talks about his Boyz II Men ballads and regrouping The Time.