Adele's "Someone Like You" is the first song with just piano and voice to hit #1 in the history of the Billboard Hot 100, which started in 1958.
The first Good Charlotte hit, "Lifestyles Of The Rich And Famous," is a send-up of celebrity culture, but the group's leaders, Joel and Benji Madden, both married celebrities: Nicole Richie and Cameron Diaz, respectively.
The Spacehog song "In The Meantime" samples an obscure recording of telephone noise, which is used at the beginning of the song.
The first time Jimmy Page, Robert Plant, John Bonham and John Paul Jones all recorded together in the studio was when they backed American singer PJ Proby on his Three Week Hero album.
David Bowie's "Station to Station" is over 10 minutes long. Bowie was doing a lot of drugs at the time and later said, "I have only flashes of making it."
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.
Yngwie Malmsteen and Steve Vai were two of Graham's co-writers for some '80s rock classics.
Chris and his wife Tina were the rhythm section for Talking Heads when they formed The Tom Tom Club. "Genius of Love" was their blockbuster, but David Byrne only mentioned it once.
Chris Stein of Blondie shares photos and stories from his book about the New York City punk scene.
Cain talks about the divine inspirations for "Don't Stop Believin'" and "Faithfully."
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.