Joni Mitchell wrote "Woodstock" - the most popular song about the festival - but didn't attend the event because she was booked on The Dick Cavett Show.
Billy Joel is surprised that "Piano Man" is so successful. He called it "an old, long song about a guy at a depressing piano bar."
"She Loves You" by The Beatles was the song that convinced Ozzy Osbourne to make music his life. The Beatles were a big influence on him because they were also poor kids from a small town in England.
John Legend wrote "All Of Me" about his fiancée Chrissy Teigen. He sang it to her at their wedding ceremony in Como, Italy.
The You Me at Six song "The Dilemma" got its title from the Vince Vaughn movie of the same name.
Elton John's "Rocket Man" is based on a Ray Bradbury story called The Rocket Man published in 1951.
A history of songs dealing with transgender issues, featuring Pink Floyd, David Bowie, Morrissey and Green Day.
The singer-songwriter Melanie talks about her spiritual awakening at Woodstock, "Brand New Key," and why songwriting is an art, not a craft.
Shows like Dawson's Creek, Grey's Anatomy and Buffy the Vampire Slayer changed the way songs were heard on TV, and produced some hits in the process.
Stone Temple Pilots bass player Robert DeLeo names the songs that have most connected with fans and tells the stories behind tracks from their Tiny Music album.
Wilder's hit "Break My Stride" had an unlikely inspiration: a famous record mogul who rejected it.
Keyboard great David Sancious talks about his work with Sting, Seal, Springsteen, Clapton and Aretha, and explains what quantum physics has to do with making music.