Jeff Lynne sang the word "groose" in the chorus of "Don't Bring Me Down" as a nonsense placeholder, but left it in when he found out it means "greetings" in German ("gruss").
Brian May wrote Queen's "We Will Rock You" so the crowds could participate in the song. They didn't have instruments, but they could clap their hands and stomp their feet.
Journey's "Don't Stop Believin'" lyric was inspired by Sunset Boulevard in Los Angeles, making it perfect for the Rock of Ages musical.
"Sloop John B" is a traditional West Indian folk song, and it was a huge hit for The Beach Boys in 1966. They tweaked the lyric, "This is the worst trip since I've been born" to "...I've ever been on" as a wink to acid culture.
"How Sweet It Is To Be Loved By You" by Marvin Gaye was inspired by Jackie Gleason's saying, "How Sweet It Is!"
Prince released "The Most Beautiful Girl In The World" on his own label to prove he could generate a hit song whenever he wanted. He made his point: It was a big hit around the world.
Our chat with Barney Hoskyns, who covers the wild years of Woodstock - the town, not the festival - in his book Small Town Talk.
Kevin Godley talks about directing classic videos for The Police, U2 and Duran Duran, and discusses song and videos he made with 10cc and Godley & Creme.
As a songwriter and producer, Narada had hits with Aretha Franklin, Whitney Houston, Mariah Carey and Starship. But what song does he feel had the greatest impact on his career?
Nirvana, Billy Joel and Bruce Springsteen are among those who wrote songs with cities that show up in this quiz.
The Def Leppard frontman talks about their "lamentable" hit he never thought of as a single, and why he's juiced by his Mott The Hoople cover band.
How the American gangsta rappers made history by getting banned in the UK.