Gwen Stefani wrote the early No Doubt song "Just a Girl" as a message to her overprotective father.
Eminem spits a total of 1,560 words on "Rap God," earning him an entry in the 2015 Guinness Book of Records for "most words in a hit single."
"Criminal" is Fiona Apple's only chart hit. Royalties from it allow her to make music on her terms, releasing albums several years apart.
"Strawberry Letter 23" by The Brothers Johnson was written by Shuggie Otis, whose girlfriend would send him letters written on strawberry-scented paper.
According to Jason Bonham, who has filled in for his father on Led Zeppelin reunions, "Rock And Roll" is the hardest Led Zep song to play on drums.
Jay-Z did the rap on Beyoncé's "Crazy In Love" at the last minute. They had just started dating; she asked him to feature on the track the night before she had to turn in her album.
The Third Day frontman talks about some of the classic songs he wrote with the band, and what changed for his solo country album.
Franti tells the story behind his hit "Say Hey (I Love You)" and explains why yoga is an integral part of his lifestyle and his Soulshine tour.
The Christian rapper talks about where his trip to Haiti and his history of addiction fit into his songs.
When a waitress wouldn't take him home, Jack wrote what would become one of the Eagles most enduring hits.
Ian talks about his 3 or 4 blatant attempts to write a pop song, and also the ones he most connected with, including "Locomotive Breath."
Collaborating with T Bone Burnett, Leslie Phillips changed her name and left her Christian label behind - Robert Plant, who recorded one of her songs on Raising Sand, is a fan.