"What A Wonderful World," released in 1967 four years before Louis Armstrong died, didn't find an audience in America until 1988 when it was used in the movie Good Morning, Vietnam.
"Brad Paisley's "River Bank" was inspired by his childhood growing up 500 yards from the Ohio River.
Iggy Pop wrote "Lust For Life" with David Bowie, who came up with the music on a ukulele.
The Split Enz song "Six Months In A Leaky Boat" is about the journey explorers made from Europe to colonize Australia and New Zealand, where the band is from.
"Feel It Still" by Portugal. The Man deals with lead singer John Gourley becoming a "rebel just for kicks" after having a daughter and settling down. "It's hard to be a punk when you're thinking about your baby daughter at home," he says.
The You Me at Six song "The Dilemma" got its title from the Vince Vaughn movie of the same name.
The Jayhawks' song "Big Star" has special meaning to Gary, who explains how longevity and inspiration have trumped adulation.
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.
Deep Purple frontman Ian Gillan explains the "few red lights" in "Smoke On The Water" and talks about songs from their 2020 album Whoosh!
Richard explains how Joe Walsh kickstarted his career, and why he chose Hazard, Nebraska for a hit.
Ozzy, Guns N' Roses, Judas Priest and even Michael Bolton show up in this Classic Metal quiz.
Guitarist Tony Iommi on the "Iron Man" riff, the definitive Black Sabbath song, and how Ozzy and Dio compared as songwriters.