The Fratellis song "Chelsea Dagger" was named for their lead singer's wife - it was her burlesque name.
"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.
Miguel wrote "Adorn" about his girlfriend, model and artist Nazanin Mandi when he was returning home from a long trip and was anxious to see her.
You wouldn't know it from the upbeat melody, but "Walkin' On The Sun" by Smash Mouth is about the 1992 Los Angeles Riots.
"Rhythm Of My Heart" by Rod Stewart is about a soldier at war - his heart is beating like a drum because he's in battle.
The Beastie Boys' "No Sleep Till Brooklyn" is a parody of Heavy Metal. Kerry King of Slayer played guitar on the track - purposefully out of tune in parts.
Cain talks about the divine inspirations for "Don't Stop Believin'" and "Faithfully."
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.
'80s music ambassadors Wang Chung pick their top tracks of the decade, explaining what makes each one so special.
Was "Pearl" Eddie Vedder's grandmother, and did she really make a hallucinogenic jam? Did Journey have a contest to name the group? And what does KISS stand for anyway?
One of the first successful female singer-songwriters, Janis had her first hit in 1967 at age 15.
The Sevendust frontman talks about the group's songwriting process, and how trips to the Murder Bar helped forge their latest album.