The very American song "What Made Milwaukee Famous" was never a big hit in the US, but Rod Stewart made it famous in the UK.
Bob Seger's "Against The Wind" has the famous mind-bending line, "Wish I didn't know now what I didn't know then." Seger was going to cut it, but his Eagles buddies Glenn Frey and Don Henley told him it was the best line in the song.
Otis Redding often ad-libbed vocals at the end of songs, but for "(Sittin' On) The Dock Of The Bay" he just whistled instead - it became some of the most famous whistling in song history.
Florida Georgia Line's "Cruise" was the first country single to earn Diamond certification (10 million units sold) from the RIAA.
Bob Dylan was little known when he released "Blowin' In The Wind" so the cover versions - especially by Peter, Paul and Mary and Stan Getz - were much more popular at the time.
Elvis, Little Richard and Cheryl Cole have all sung about Teddy Bears, but there is also a terrifying Teddy song from 1932 and a touching trucker Teddy tune from 1976.
The Jayhawks' song "Big Star" has special meaning to Gary, who explains how longevity and inspiration have trumped adulation.
Rosanne talks about the journey that inspired her songs on her album The River & the Thread, including a stop at the Tallahatchie Bridge.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
