Fifty-three years after two Brazilian musicians spotted the lovely Helo Pinheiro on a street in Ipanema, the song they wrote in her honor was featured during the opening ceremonies of the 2016 Summer Olympics in Rio, with the supermodel Gisele Bundchen playing the role of Girl From Ipanema.
The first use of the term "bro-country" in print was used to describe "Cruise," the breezy hit from Florida Georgia Line that checks the boxes of girls, trucks and back roads.
"Step On," the most famous song by the Happy Mondays ("You're twistin' my melon man!") is a thoroughly revamped cover of a song from 1971 about the plight of indigenous peoples called "He's Gonna Step On You Again" by John Kongos.
"Hot n Cold" by Katy Perry is about a real guy - an ex who would seem really interested at times but would then just disappear.
"Do They Know It's Christmas?" by Band-Aid was the first big group charity single. It was organized by Bob Geldof, who a year later put together "We Are The World" and Live Aid.
Feist's "1234" is "about lost love, and the hope to recapture what you once had," but it's best known for the Sesame Street version about counting to four.
"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.
Beef with Bon Jovi? An unfortunate Spandex period? See if you can spot the true stories in this Metallica version of Fact or Fiction.
The Sevendust frontman talks about the group's songwriting process, and how trips to the Murder Bar helped forge their latest album.
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.
The Guns N' Roses rhythm guitarist in the early '90s, Gilby talks about the band's implosion and the side projects it spawned.
JJ talks about The Stranglers' signature sound - keyboard and bass - which isn't your typical strain of punk rock.
dUg dIgs into his King's X metal classics and his many side projects, including the one with Jeff Ament of Pearl Jam.