An unexpected guest vocal: Marianne Faithfull on the Metallica song "The Memory Remains." A star in the '60s, this collaboration helped revive her career.
Songwriter Wayne Carson came up with the Willie Nelson classic "Always On My Mind" while on the phone to his wife when he was apologizing to her for being stuck at the office.
Originally a chart-topper for Steve Lawrence in 1962, "Go Away Little Girl" became the first song of the rock era to hit #1 for two different artists when Donny Osmond's cover version also reached the summit in 1971.
"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.
"Walking on a Thin Line" by Huey Lewis and the News is about an American soldier who is trained as a sniper in the Vietnam War. It was written for a documentary on the war.
Ella Langley's country crossover hit "Choosin' Texas" was co-written by Texas native Miranda Lambert, who told Ella a story about getting pulled over with a kangaroo in her car (yes, a real kangaroo - a baby). "She's from Texas, I can tell," Langley said, which sparked the song.
Untangling the events that led to the "Stairway To Heaven" lawsuit.
His song "Into The Night" is one of the most-played of all time. For Benny, it took him to hell and back.
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
The evolution of the symbol that was Prince's name from 1993-2000.
The drummer and one of the primary songwriters in Grand Funk talks rock stardom and Todd Rundgren.
Pete produced Dwight Yoakam, Michelle Shocked, Meat Puppets, and a very memorable track for Roy Orbison.