"Louie Louie" was first recorded in 1955 by an R&B singer named Richard Berry, and his lyrics are easy to understand. When The Kingsmen recorded the hit version, their lyrics were indecipherable.
"Personal Jesus," a song about "being a Jesus for somebody else," was inspired by Elvis and Priscilla Presley.
One of the last hits with a track made up almost entirely of uncleared samples is "Groove Is In The Heart" by Deee-Lite in 1990. Soon after, courts ruled that samples needed to be cleared.
Robert Plant's "Heaven Knows" is a satirical look at the '80s, when style seemed to trump substance.
"All I Wanna Do" by Sheryl Crow started with the first line from an obscure poem called "Fun" that read, "All I wanna do is have some fun."
One of the moodiest hits of the '90s is "Creep" by Radiohead. It was the group's first single, and to their dismay, it became their biggest hit - it wasn't the song they wanted to be known for.
"Great songwriters don't necessarily have hit songs," says Chris. He's written a bunch, but his fans are more interested in the intricate jams.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
Pete produced Dwight Yoakam, Michelle Shocked, Meat Puppets, and a very memorable track for Roy Orbison.
Michael tells the story of "Send Me On My Way," and explains why some of the words in the song don't have a literal meaning.
Doors expert Jim Cherry, author of The Doors Examined, talks about some of their defining songs and exposes some Jim Morrison myths.
The 10 biggest "retirement tours" that didn't take.