Jay-Z's 2012 "Glory" features his daughter Blue Ivy Carter's cries and coos. At less than two days old, she became the youngest ever credited artist to feature on a Billboard chart when the song debuted on R&B/Hip-Hop Songs at #74.

The Hollies hit "The Air That I Breathe" was written in part as a reaction to the smog in Los Angeles.

Zac Hanson was just 11 years and 7 months old when "MMMbop" topped the Hot 100, making him the youngest group member to co-write and perform a US #1 single.

The guy who wrote Taylor Dayne's "Tell It To My Heart" owns a collection of famous baseballs, including the one that went through Bill Buckner's legs in the 1986 World Series.

The Genesis song "Invisible Touch" was inspired by the Prince-written Sheila E. track "The Glamorous Life."
A top country songwriter, Barry talks about writing hits for Little Big Town, Tim McGraw and Jason Aldean.
Rock Stars - especially those in the metal realm - are often enlisted for horror movies. See if you know can match the rocker to the role.
"Dead Skunk" became a stinker for Loudon when he felt pressure to make another hit - his latest songs deal with mortality, his son Rufus, and picking up poop.
The singer/bassist for Concrete Blonde talks about how her songs come from clairvoyance, and takes us through the making of their hit "Joey."
Collaborating with T Bone Burnett, Leslie Phillips changed her name and left her Christian label behind - Robert Plant, who recorded one of her songs on Raising Sand, is a fan.
Lyrics don't always follow the rules of grammar. Can you spot the ones that don't?