"Dirty Work" is one of the few Steely Dan songs not sung by Donald Fagen. The lead vocal is by David Palmer, who sang on two tracks from their debut album.
Taylor Swift's "Shake It Off" was inspired by how she'd learned to deal with all the false rumors that circulated about her. She realized she could either let it get to her or "just shake it off."
Neil Diamond wrote "I'm A Believer" early in his career. It was a hit for The Monkees and revived by Smash Mouth in 2001 for the movie Shrek, helping make Diamond cool again.
"We Will Become Silhouettes" by The Postal Service sounds happy and fun, but it's a very bleak song about a nuclear winter. Lead singer Ben Gibbard wrote the lyric while ruminating over 9/11.
The title of Florence + the Machine's "How Big, How Blue, How Beautiful" was inspired by the Los Angeles skyline.
The Exorcist theme music is a portion of "Tubular Bells," a 25-minute song released by 19-year-old Mike Oldfield.
Petula talks about her hits "Downtown" and "Don't Sleep In The Subway," and explains her Michael Jackson connection.
Graham Nash tells the stories behind some of his famous songs and photos, and is asked about "yacht rock" for the first time.
Lots of life lessons in these Eagles lyrics - can you match them to the correct song?
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
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.
Harry is Derek Smalls in Spinal Tap, Mark Shubb in The Folksmen, and Mr. Burns on The Simpsons.