Zach Bryan and Kacey Musgraves had both gone through divorces when they wrote and recorded the wrenching duet "I Remember Everything." It was the first #1 Hot 100 hit for each of them.
"Anaconda" was originally recorded by Missy Elliott in 2012, but she decided to shelf the track so it went to Nicki Minaj, who released it two years later.
"Big Love" is a showcase song for Lindsey Buckingham and the first single from Fleetwood Mac's 1987 album Tango In The Night, but he left the group soon after the album was released and the band didn't perform it live until he returned 10 years later.
The dirty version of Cee-Lo Green's "Forget You" contains 16 F-bombs. He recorded a clean version as an afterthought, "just in case."
"The Battle of Evermore" is the only song Zeppelin ever recorded with a guest vocalist. It features Sandy Denny from Fairport Convention duetting with Robert Plant.
The phrase "Mamma Mia" was big in 1976. It was the name of a popular Abba song, and also showed up in the lyrics to "Bohemian Rhapsody" by Queen.
Joe talks about the challenges of of making a Duke Ellington tribute album, and tells the stories behind some of his hits.
Howard explains his positive songwriting method and how uplifting songs can carry a deeper message.
The leader of the Modern A Cappella movement talks about the genre.
Into the vaults for Bruce Pollock's 1984 conversation with the esteemed bluesman. Hooker talks about transforming a Tony Bennett classic and why you don't have to be sad and lonely to write the blues.
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
The lead singer on "Da Doo Ron Ron" and "Then He Kissed Me," La La explains how and why Phil Spector replaced The Crystals with Darlene Love on "He's A Rebel."