When Adele needed to cry during the filming of the video for "Hello" she played Labrinth's 2014 single "Jealous." "You could play it at my kid's birthday and I'd burst into tears," she said.
The You Me at Six song "The Dilemma" got its title from the Vince Vaughn movie of the same name.
The Strokes admitted to purloining Tom Petty & the Heartbreakers' "American Girl" for their 2001 hit "Last Nite." "Yeah, we ripped it off," lead singer Julian Casablancas said.
Jo Dee Messina's 1996 country classic "Heads Carolina, Tails California" was inspired by a book released the previous year called Border Music by Robert James Waller, where the main character flips a coin to decide his next destination.
Pitbull's line "I got it locked up like Lindsay Lohan" in his 2011 song "Give Me Everything (Tonight)" didn't go over well with Lohan, who sued him for defamation. Around this time, she was in a downward spiral and often getting arrested. Her case was thrown out, but she did get her life back together.
Jeff Lynne sang the word "groose" in the chorus of "Don't Bring Me Down" as a nonsense placeholder, but left it in when he found out it means "greetings" in German ("gruss").
Where words like "email," "thirsty," "Twitter" and "gangsta" first showed up in songs, and which songs popularized them.
From "Some Day My Prince Will Come" to "Let It Go" - how Disney princess songs (and the women who sing them) have evolved.
Cain talks about the divine inspirations for "Don't Stop Believin'" and "Faithfully."
Is Owl City on a quest for another hit like "Fireflies?" Adam answers that question and explains the influences behind many others.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
Go beyond The Beatles to see what you know about the British Invasion.