The first line of "Papa Was A Rollin' Stone" is "It was the 3rd of September," which is the day lead singer Dennis Edwards' father died.
If you have a whole day to kill, you can check out the full version of Pharrell Williams' "Happy" music video, the world's first 24-hour music video.
David Gilmour really was "Learning To Fly" when he co-wrote the Pink Floyd song - the aviation jargon came from his lessons.
The chant in the Bruno Mars/Rosé hit "APT" is "apateu," the Korean word for apartment. It's named after a Korean drinking game called "Apartment" that Rosé told Bruno about.
In the UK, the first #1 hit with a rap was "Candy Girl" by the American boy band New Edition in 1983.
"I Can See Clearly Now" by Johnny Nash was the first reggae song to hit #1 in America on the Hot 100.
An interview with Frankie Valli, who talks about why his songs - both solo and with The Four Seasons - have endured, and reflects on his time as Rusty Millio on The Sopranos.
Elvis, Little Richard and Cheryl Cole have all sung about Teddy Bears, but there is also a terrifying Teddy song from 1932 and a touching trucker Teddy tune from 1976.
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.
Phil was a songwriter, producer and voice behind many Philadelphia soul classics. When disco hit, he got an interesting project: The Village People.
'80s music ambassadors Wang Chung pick their top tracks of the decade, explaining what makes each one so special.
One of the most popular classical vocalists in the land is lining up a trip to space, which is the inspiration for many of her songs.