Stevie Wonder wrote his own version of "Happy Birthday" in an attempt to get Martin Luther King's birthday declared a national holiday.
Sting wrote "Fields of Gold" after buying a house near a barley field and enjoying the majestic sunsets.
The comedian Steve Martin had a hit in 1978 with "King Tut." The Nitty Gritty Dirt Band, who Martin would open for on tour, were his backing band on the song.
Adele got the title "Rolling In The Deep" from the British saying "Roll Deep," which means to look after someone. She was "rolling deep" with her boyfriend until he betrayed her.
Ed Sheeran's "Bloodstream" was written after an experience taking MDMA during a wedding celebration in Ibiza, and it's basically about all the feelings that he got from that time.
The "Gunter Glieben Glauten Globen" intro in Def Leppard's "Rock Of Ages" is something their producer Mutt Lange came up with when he got tired of counting them "1, 2, 3, 4..."
Evelyn McDonnell, editor of the book Women Who Rock, on why the Supremes are just as important as Bob Dylan.
The renown rock singer talks about "The House of the Rising Sun" and "Don't Let Me Be Misunderstood."
Bowie's "activist" days of 1964 led to Ziggy Stardust.
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.
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.
