Paul McCartney's favorite song that he wrote for someone else is Cilla Black's 1968 UK Top 10 hit "Step Inside Love."
The song "Without You," a hit for Nilsson in 1972 and Mariah Carey in 1994, was written and originally recorded by Badfinger in 1970.
Rihanna's 2012 hit "Diamonds" was written by Sia Furler, who two years later had a huge hit on her own with "Chandelier." Sia also wrote the David Guetta hit "Titanium."
The idea for "The Man Comes Around" came to Johnny Cash from a dream he had where he was in Buckingham Palace and the Queen said to him, "Johnny Cash, you're just like a thorn tree in a whirlwind."
16-tear-old Lorde wrote the lyrics to "Royals" at home in just half an hour. She was inspired by the "ridiculous, unrelatable, unattainable opulence" that runs through such albums as Kanye West and Jay-Z's Watch the Throne and Lana Del Rey's Born To Die.
Listen carefully and you'll hear the sound of birds in "Birds Of A Feather" by Billie Eilish. Her brother/producer Finneas couldn't resist putting them in, but he kept them real quiet in the mix.
If you can recall the days when MTV played videos, you know that there are lots of stories to tell. See if you can spot the real ones.
Their frontman (Chris Cornell) started out as their drummer, so Soundgarden takes a linear approach when it comes to songwriting. Kim explains how they do it.
A drummer for one of the most successful metal bands of the last decade, Chris talks about what it's like writing and performing with Slipknot. Metal-neck is a factor.
Richie talks about producing the first two Kiss albums, recording "Brother Louie," and the newfound appreciation of his rock band, Dust.
Tom talks about the evolution of Cinderella's songs through their first three albums, and how he writes as a solo artist.
A popular contemporary folk singer, Williams still remembers the sticky note that changed her life in college.