Surprise exits, a catfight and some very memorable performances make our list of the most memorable Idol moments.
The man who created Yacht Rock with "Sailing" wrote one of his biggest hits while on acid.
Was Justin the first to be Punk'd by Ashton Kutcher? Did Britney really blame him for her meltdown? Did his bandmates think he was gay?
The lead singer/lyricist of The Beach Boys talks about coming up with the words for "Good Vibrations," "Fun, Fun, Fun," "Kokomo" and other classic songs.
When a waitress wouldn't take him home, Jack wrote what would become one of the Eagles most enduring hits.
Gary Lewis and the Playboys had seven Top 10 hits despite competition from The Beatles. Gary talks about the hits, his famous father, and getting drafted.
Donna Summer's "Bad Girls" is about prostitutes, but it was still used in the movie Rugrats In Paris.
The title "25 Or 6 To 4" by Chicago refers to the time it was written: either 25 minutes to 4 (3:35) or 26 (3:34).
"Nobody Does It Better" by Carly Simon was used in the film The Spy Who Loved Me. It was the first James Bond song not named after the movie.
Musically, the Twisted Sister song "We're Not Gonna Take It" is based on the Christmas tune "O Come All Ye Faithful."
"(I've Had) The Time of My Life" was a huge hit from the movie Dirty Dancing. It was used in the climactic dance scene at the end, which was actually the first scene shot for the movie.
Katy Perry's song "E.T." came from a beat originally intended for the rap group Three Six Mafia. When her producer accidentally pulled up the beat, Perry asked to use it.