Mickey Mantle and John Madden both appear in the video for "Me And Julio Down By The Schoolyard" by Paul Simon. Biz Markie and Big Daddy Kane do a rap intro.
Katy Perry says her 2008 song "Ur So Gay" is about "guys who wear the guyliner, steal your jeans, and that whole almost hipster emo scene."
"Veronica" was inspired by Elvis Costello's grandmother, who suffered from Alzheimer's disease.
The '40s hit "Rum and Coca-Cola" is really about American soldiers soliciting prostitutes in Trinidad.
"I Can See Clearly Now" by Johnny Nash was the first reggae song to hit #1 in America on the Hot 100.
At the end of the Doors song "Touch Me," Jim Morrison chants, "Stronger than dirt!" The line is from an Ajax commercial where a white knight rides around destroying dirt.
Glen Ballard talks about co-writing and producing Alanis Morissette's Jagged Little Pill album, and his work with Dave Matthews, Aerosmith and Annie Lennox.
The lead singer/lyricist for Anberlin breaks down "Impossible" and covers some tracks from their 2012 album Vital.
The Jayhawks' song "Big Star" has special meaning to Gary, who explains how longevity and inspiration have trumped adulation.
Can you be married in one country but not another? Only if you're part of a gay couple. One of the first famous singers to come out as a lesbian, Janis wrote a song about it.
Toto's keyboard player explains the true meaning of "Africa" and talks about working on the Thriller album.