Sheryl Crow's "Soak Up The Sun" isn't as lighthearted as it seems: the song deals with the prevailing head-in-the-sand reaction to climate change.
The Creedence Clearwater Revival song "Fortunate Son" is about how the Vietnam war was being fought by soldiers without the privilege or connections to get out of it. "It's the old saying about rich men making war and poor men having to fight them," John Fogerty said.
"Virginia" in "Only The Good Die Young" is named after a real girl Billy Joel was trying to impress.
Frankie Goes to Hollywood's "Two Tribes" features British actor Patrick Allen reading extracts from a government civil defense leaflet.
The French part in Talking Heads' "Psycho Killer" explains that the killer is going after a girl, like Norman Bates in the movie Psycho.
Buddy Holly got the title for his hit song "That'll Be The Day" from a phrase John Wayne repeats in the 1956 movie The Searchers.
The 10 biggest "retirement tours" that didn't take.
A top country songwriter, Barry talks about writing hits for Little Big Town, Tim McGraw and Jason Aldean.
"When seeds that you sow grow by the wicked moon/Be sure your sins will find you out/Your past will hunt you down and turn to tell on you."
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.
Ron Nevison explains in very clear terms the Quadrophenia concept and how Heart staged their resurgence after being dropped by their record company.
Wes Edwards takes us behind the scenes of videos he shot for Jason Aldean, Dierks Bentley and Chase Bryant. The train was real - the airplane was not.