"Just Dance" was Lady Gaga's first hit, and it also brought the techno-synth sound that had been popular in Europe for the previous decade to the United States.
The Information Society hit "What's On Your Mind (Pure Energy)" samples the voice of Leonard Nimoy (Spock) from an episode of Star Trek.
"Izzo (H.O.V.A.)" refers to "Hova," which is what Jay-Z calls his God Name. Jay-Hova, as in Jehovah.
Often heard as a patriotic song, "Down Under" is really about the selling of Australia and makes a strong political statement.
"Grenade" was a term used on the show Jersey Shore to mean an ugly girl. Bruno Mars says his hit song with that title was written before the show started.
"Kashmir" is the only Led Zeppelin song to use outside musicians, as it needed strings and horns.
Dean wrote the screenplay and lyrics to all the songs in Footloose. His other hits include "Fame" and "All The Man That I Need."
Established as a redoubtable singer-songwriter, the Men At Work frontman explains how religion, sobriety and Jack Nicholson play into his songwriting.
Do you know who wrote Patti Smith's biggest hit? How about the Grease theme song? See if you can match the song to the writer.
The rock revolutionist on songwriting, quitting smoking, and what she thinks of Rush Limbaugh using her song.
Michelle Branch talks about "Everywhere," "The Game Of Love," and her run-in with a Christian broadcasting network.
Daryl Hall's TV show is a hit, and he's been inducted into the Rock and Roll Hall of Fame - only one of these developments excites him.