Sam Smith's "Writing's On The Wall" was the first ever James Bond theme song to reach #1 in the UK.
The first #1 hit with the word "disco" in the title wasn't a disco song. It was an R&B song called "Disco Lady" by Johnnie Taylor in 1976. The lady he's singing about is disco, but the song isn't.
Meghan Trainor wrote "Lips Are Movin" in just eight minutes with her writing partner Kevin Kadish.
Florida Georgia Line's "Cruise" spent 24 weeks on top of the Country chart - the most ever until Sam Hunt's "Body Like a Back Road" was #1 for 34 weeks. The record was previously held by Eddy Arnold's "I'll Hold You in My Heart (1947-48), Hank Snow's "I'm Moving On" (1950-51) and Webb Pierce's "In the Jailhouse Now" (1955), which each led for 21 weeks.
Paul McCartney wrote "Hey Jude" to comfort John Lennon's 5-year-old son Julian, whose parents were getting a divorce.
Until December 5, 1998, a song had to be issued as a single to make the Hot 100. Aaliyah's "Try Again" was the first tune to top the chart based on airplay alone, without any sales figures being included.
Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.
Rosanne talks about the journey that inspired her songs on her album The River & the Thread, including a stop at the Tallahatchie Bridge.
Rob Halford, Richie Faulkner and Glenn Tipton talk twin guitar harmonies and explain how they create songs in Judas Priest.
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.
Meshell Ndegeocello talks about recording "Wild Night" with John Mellencamp, and explains why she shied away from the spotlight.
Lyrics don't always follow the rules of grammar. Can you spot the ones that don't?