In Belgium, where the Battle of Waterloo took place, "Waterloo" by ABBA was a huge hit, #1 for five weeks.
Sia Furler wrote "Titanium" and wanted to give the tune to Katy Perry. She turned it down, so David Guetta recorded it instead using Sia's original demo guide vocal. It became a big hit, especially in the UK, where it went to #1.
Elton John's "Rocket Man" is based on a Ray Bradbury story called The Rocket Man published in 1951.
Kylie Minogue's "Can't Get You Out Of My Head" received more airplay during the 2000s than any other song in the UK.
"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.
The most famous pop song featuring a bassoon: "The Tears of a Clown" by Smokey Robinson & the Miracles.
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.
Fiona's highly-anticipated third album almost didn't make it. Here's how it finally came together after two years and a leak.
How did The Edge get his name? Did they name a song after a Tolkien book? And who is "Angel of Harlem" about?
Do their first three albums have French titles? Is "De Do Do Do, De Da Da Da" really meaningless? See if you can tell in this Fact or Fiction.
Emilio talks about what it's like to write and perform with the Tower of Power horns, and why every struggling band should have a friend like Huey Lewis.
Rosanne talks about the journey that inspired her songs on her album The River & the Thread, including a stop at the Tallahatchie Bridge.