Calvin Harris' "Blame" was the first song to break 10 million streams in a week on Spotify. The record was set during the seven days of September 8 to September 14, 2014.
"Mr. Roboto" by Styx was written by their keyboard player, Dennis DeYoung, who used Japanese words and imagery to create an allegory about censorship.
The first US Top 10 hit with the word "hell" in the title was "Gives You Hell" by The All-American Rejects in 2008.
In Beastie Boys' "Paul Revere," the title refers to the name of a horse. They took it from a song in the musical Guys And Dolls where a character sings, "I got the horse right here, the name is Paul Revere."
The Ben Folds Five song "Brick" is about a difficult time when Folds' girlfriend got an abortion.
Will.I.am, literally dreamt up "I Gotta Feelin'." Said the Black Eyed Pea: "Have you ever had a dream where there's a melody in your dream? I'll wake up out of my sleep and record that! 'I Gotta Feelin' was one of those songs."
Go beyond The Beatles to see what you know about the British Invasion.
The lead singer and pianist for Procol Harum, Gary talks about finding the musical ideas to match the words.
The leader of the Modern A Cappella movement talks about the genre.
Doors expert Jim Cherry, author of The Doors Examined, talks about some of their defining songs and exposes some Jim Morrison myths.
"Dead Skunk" became a stinker for Loudon when he felt pressure to make another hit - his latest songs deal with mortality, his son Rufus, and picking up poop.
Into the vaults for Bruce Pollock's 1984 conversation with the esteemed bluesman. Hooker talks about transforming a Tony Bennett classic and why you don't have to be sad and lonely to write the blues.