"Kickstart My Heart" is about all the ways Motley Crue gets their blood flowing without drugs. It was inspired by their bass player Nikki Sixx, who claimed he had to be revived with a shot of adrenaline to the heart after an overdose.
The events described in Alanis Morissette's song "Ironic," like rain on your wedding day, are not examples of irony. Irony is the use of words to convey the opposite of their literal meaning.
Fifth Harmony was going to call their song "Work," but they changed it to "Work from Home" when Rihanna released a song with that title.
"Torn" by Natalie Imbruglia was first recorded by the group Ednaswap in 1993. It was written by Ednaswap's Anne Previn and Scott Cutler, who went on to write some hits for Miley Cyrus.
When Metallica performed in China in 2013, they weren't allowed to play "Master Of Puppets," probably because the theme of being controlled by a higher authority didn't sit well with the Chinese government.
When he met Delilah DiCrescenzo, Plain White T's lead singer Tom Higgenson told her he'd write a song about her, and came up with the first verse of "Hey There Delilah" on the spot.
When he joined Guns N' Roses in 1990, Matt helped them craft an orchestral sound; his mezzo fortes and pianissimos are all over "November Rain."
David talks about videos he made for Prince, Alabama, Big & Rich, Sheryl Crow, DMB, Melissa Etheridge and Sisters of Mercy.
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
Did Al play on a Beach Boys record? Did he have beef with George Lucas and Coolio? See if you can spot weird but true stories.
A drummer for one of the most successful metal bands of the last decade, Chris talks about what it's like writing and performing with Slipknot. Metal-neck is a factor.
Julian tells the stories behind his hits "Valotte" and "Too Late for Goodbyes," and fills us in on his many non-musical pursuits. Also: what MTV meant to his career.