War got the idea for "Why Can't We Be Friends?" when they were traveling in Japan and found they had a kinship with the citizens even though they didn't speak the same language.
George Harrison's 1971 song "Bangla Desh" was the first major charity single. It was part of a concert held to bring relief to the people of Bangladesh, who were fighting for independence and suffering from a famine.
Irving Berlin said "God Bless America" was "not a patriotic song, but rather an expression of gratitude."
Fall Out Boy's "The Kids Aren't Alright" song title is not a reference to The Offspring's 1998 single of the same name. It actually alludes to The Who's 1979 rockumentary film called The Kids Are Alright.
The fadeout on Drake's "Hotline Bling" lasts 55 seconds - one of the longest outros of any hip-hop hit.
"Hot n Cold" by Katy Perry is about a real guy - an ex who would seem really interested at times but would then just disappear.
Prince is shrouded in mystery, making him an excellent candidate for Fact or Fiction. Is he really a Scientologist? Does he own an exotic animal?
Where words like "email," "thirsty," "Twitter" and "gangsta" first showed up in songs, and which songs popularized them.
When you have a song called "Fire," it's tempting to set one - these guys did.
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
From the cowbell on "Mississippi Queen" to recording with The Who when they got the wrong Felix, stories from one of rock's master craftsmen.