"What A Wonderful World," released in 1967 four years before Louis Armstrong died, didn't find an audience in America until 1988 when it was used in the movie Good Morning, Vietnam.
The first big hit by an X Factor winner was "Bleeding Love" by Leona Lewis, who won the British version of the show in 2008. The song was intended for Jesse McCartney, who wrote it with Ryan Tedder.
Bob Dylan's original version of "Mr. Tambourine Man," released on his album Bringing It All Back Home, has no tambourine, just guitars and harmonica.
Pink wrote "Just Give Me A Reason" about how one partner can feel jilted over something trivial, like how her boyfriend passes her the butter.
The Four Seasons' "Walk Like a Man," released in 1963, was the first Hot 100 #1 hit with a simile in its title.
Sheryl Crow's "Soak Up The Sun" isn't as lighthearted as it seems: the song deals with the prevailing head-in-the-sand reaction to climate change.
You know the scenes - Tom Cruise in his own pants-off dance off, Molly Ringwald celebrating her birthday - but do you remember what song is playing?
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.
An Electronic music pioneer with Asperger's Syndrome. This could be interesting.
Dave reveals the inspiration for "Feelin' Alright" and explains how the first song he ever wrote became the biggest hit for his band Traffic.
Rufus Wainwright on "Hallelujah," his album Unfollow The Rules, and getting into his "lyric trance" on 12-hour walks.
JJ talks about The Stranglers' signature sound - keyboard and bass - which isn't your typical strain of punk rock.