Ed Sheeran's first single was "The A Team," a song about a drug-addicted prostitute.
The guys from Chic wrote "Le Freak" as a message to a doorman who wouldn't let them into a club. Originally, it was "F--- Off."
Bob Marley's backup singers, The I Threes, claim they are the "Three Little Birds" in his famous song.
Janet Jackson wrote the lyric to "Nasty" in response to random guys calling her "baby."
Blur's "There Are Too Many of Us" was inspired in part by a siege in an Australian chocolate café that Damon Albarn witnessed, which resulted in the death of the gunman and two hostages.
Where words like "email," "thirsty," "Twitter" and "gangsta" first showed up in songs, and which songs popularized them.
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.
Psychedelic Furs lead singer Richard Butler talks about their first album since 1991 and explains what's really going on in "Pretty In Pink."
Mike is lead guitarist with Tom Petty & the Heartbreakers, and co-writer of classic songs like "Boys Of Summer," "Refugee" and "The Heart Of The Matter."
The stories behind "Whole Of The Moon" and "Red Army Blues," and why rock music has "outlived its era of innovation."
