The Squeeze song "Tempted" is one of their few with lead vocals by Paul Carrack, who sang the Ace song "How Long" and was in Mike + The Mechanics.
Stevie Wonder wrote his own version of "Happy Birthday" in an attempt to get Martin Luther King's birthday declared a national holiday.
The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
Meghan Trainor wrote "Lips Are Movin" in just eight minutes with her writing partner Kevin Kadish.
The first single to simultaneously top the UK and US charts was The Everly Brothers' "Cathy's Clown" in May 1960.
"Jeopardy" by The Greg Kihn Band got the Weird Al treatment with "I Lost On Jeopardy." Kihn and Jeopardy game show announcer Art Fleming both appear in the video.
Deep Purple's guitarist since 1994, Steve talks about writing songs with the band and how he puts his own spin on "Smoke On The Water."
Danny played guitar on Sweet Baby James, Tapestry, and Running On Empty. He also co-wrote many hit songs, including "Dirty Laundry," "Sunset Grill" and "Tender Is The Night."
Director Mark Pellington on Pearl Jam's "Jeremy," and music videos he made for U2, Jon Bon Jovi and Imagine Dragons.
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
Richie talks about producing the first two Kiss albums, recording "Brother Louie," and the newfound appreciation of his rock band, Dust.
The powerhouse producer behind Janet Jackson's hits talks about his Boyz II Men ballads and regrouping The Time.