Even though Johnnie Taylor's "Disco Lady" was the first US #1 with the word "disco" in its title, it wasn't a disco tune. He was just singing about disco.
The You Me at Six song "The Dilemma" got its title from the Vince Vaughn movie of the same name.
Sia Furler originally sent "Pretty Hurts" to Katy Perry, but she didn't see the email, so Beyonce ended up recording it instead.
Meghan Trainor and her producer Kevin Kadish originally wrote "All About That Bass" for another artist to record. However, after Epic Records boss LA Reid heard Meghan play a demo of the song on a ukulele, he signed the young songwriter to his label and told her she should sing it.
Salt's "mighty good man" in the Salt-N-Pepa "Whatta Man" video is played by Tupac Shakur.
Ariana Grande's collaboration with Zedd, "Break Free" came about after the Russian-German producer overheard Grande performing at a label showcase while he was backstage, and he mentioned to his team that he wanted to work with her.
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.
Starting in Virginia City, Nevada and rippling out to the Haight-Ashbury, LSD reshaped popular music.
A top country songwriter, Barry talks about writing hits for Little Big Town, Tim McGraw and Jason Aldean.
The co-writer/guitarist on many Alice Cooper hits, Dick was also Lou Reed's axeman on the Rock n' Roll Animal album.
Despite her reticent personality, Adele's life and music are filled with intrigue. See if you can spot the true tales.