"I Swear" was a #1 country hit for John Michael Montgomery before All-4-One made it a #1 pop hit.
Steely Dan's engineer, Roger Nichols, built one of the first drum machines, which they used on "Hey Nineteen."
The songwriting team Leiber and Stoller wrote "Hound Dog" for a blues singer named Big Mama Thronton, who first recorded the song in 1953. Elvis covered it in 1956, and it became his biggest hit.
Mary J. Blige introduced three new words with her hit "Family Affair": hateration, holleration and dancerie.
After Cher revived "The Shoop Shoop Song (It's In His Kiss)" in 1990, Salt-N-Pepa released "Shoop" and Whitney Houston had a #1 hit with "Exhale (Shoop Shoop)."
Walk The Moon vocalist Nicholas Petricca got the idea for "Shut Up and Dance" when he and his girlfriend were taking forever to get drinks at a Los Angeles club bar. Petricca was getting frustrated, so his girlfriend told him to "shut up and dance with me!'"
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.
Guitarist Tony Iommi on the "Iron Man" riff, the definitive Black Sabbath song, and how Ozzy and Dio compared as songwriters.
Pete produced Dwight Yoakam, Michelle Shocked, Meat Puppets, and a very memorable track for Roy Orbison.
The evolution of the symbol that was Prince's name from 1993-2000.
The guitarist/songwriter explains how he came up with his signature sound, and deconstructs some classic Fear Factory songs.
At 80 years old, Yoko has 10 #1 Dance hits. She discusses some of her songs and explains what inspired John Lennon's return to music in 1980.