Sia planned to quit her solo career after her 2014 album 1000 Forms of Fear, but the "Chandelier" video proved so popular it drew her back in.
At the end of "Love Bites" by Def Leppard, there are some vocals that are hard to understand. It was rumored that they were: "Jesus of Nazareth, Go to Hell." It is actually producer Mutt Lange saying "Yes it does, Bloody Hell," with a thick British accent.
"Dirty Work" is one of the few Steely Dan songs not sung by Donald Fagen. The lead vocal is by David Palmer, who sang on two tracks from their debut album.
Jonah Hill directed the video for Sara Bareilles' song "Gonna Get Over You." It's a mash-up of Grease and West Side Story.
Miguel wrote "Adorn" about his girlfriend, the model and artist Nazanin Mandi, when he was returning home from a long trip and was anxious to see her.
Zayn's "Pillowtalk" reached #1 on the Hot 100, something his former One Direction bandmates never achieved.
The Red Hot Chili Peppers have some rather unusual song titles - see if you can spot the real ones.
You may not recognize his name, but you will certainly recognize Peter Lord's songs. He wrote the bevy of hits from Paula Abdul's second album, Spellbound.
What are the biggest US hits with French, Spanish (not "Rico Suave"), Italian, Scottish, Greek, and Japanese titles?
A selection of songs made to be terrible - some clearly achieved that goal.
Deep Purple's guitarist since 1994, Steve talks about writing songs with the band and how he puts his own spin on "Smoke On The Water."
Richie talks about the impact of "Amazed," and how his 4-year-old son inspired another Lonestar hit.