"The Best" by Tina Turner was originally recorded by Bonnie Tyler; Turner's hit version added a bridge and a saxophone solo by Edgar Winter.
David Gilmour really was "Learning To Fly" when he co-wrote the Pink Floyd song - the aviation jargon came from his lessons.
The Ben Folds Five song "Brick" is about a difficult time when Folds' girlfriend got an abortion.
Sam Smith's "Writing's On The Wall" was the first ever James Bond theme song to reach #1 in the UK.
Phil Collins' "I Missed Again" was originally "I Miss You, Babe," and was a very somber song about his recent divorce. Collins decided to lighten it up and inject some humor into the song.
Paul Stanley and Gene Simmons of Kiss wrote "Rock And Roll All Nite" as a "rallying cry for all of our fans." In later years, members of Kiss wrote songs separately.
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.
Songs that seem to glorify violence against women are often misinterpreted - but not always.
Eddie (played by Johnny Depp in the video) found fame fleeting, but Chuck Berry's made-up musician fared better.
Daryl Hall's TV show is a hit, and he's been inducted into the Rock and Roll Hall of Fame - only one of these developments excites him.
For songwriters, Johnny represents the American man. He has been angry, cool, magic, a rebel and, of course, marching home.
Toto's keyboard player explains the true meaning of "Africa" and talks about working on the Thriller album.