Sly & the Family Stone's "Thank You (Falettinme Be Mice Elf Agin)" was a huge hit in 1970 and found new life when Janet Jackson sampled the bass riff on her 1989 hit "Rhythm Nation."
KT Tunstall's "Suddenly I See" was inspired by Robert Mapplethorpe's photograph of Patti Smith on the cover of her album Horses.
Paul Stanley and Gene Simmons of Kiss wrote "Rock And Roll All Nite" as a "rallying cry for all of our fans." In later years, members of Kiss wrote songs separately.
"Ghosttown" from 2014 was Madonna's 45th chart-topper on the Dance Club Songs chart, breaking the record for the most #1s an artist has tallied on a single Billboard chart.
"The Reflex" became a #1 hit for Duran Duran when Nile Rodgers remixed it using a sampler. Simon Le Bon refuses to say what it's about, but says it's "kind of childish song."
Fleetwood Mac were going through various internecine romantic tribulations while recording their Rumours album. The song "Dreams" was written by Stevie Nicks with the line "Players only love you when they're playing" directed at their guitarist, Lindsey Buckingham.
The "Midnight At The Oasis" singer is an Old Time gal. She talks about her jug band beginnings and shares a Dylan story.
Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
Howard explains his positive songwriting method and how uplifting songs can carry a deeper message.
Was "Pearl" Eddie Vedder's grandmother, and did she really make a hallucinogenic jam? Did Journey have a contest to name the group? And what does KISS stand for anyway?
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.
Phil was a songwriter, producer and voice behind many Philadelphia soul classics. When disco hit, he got an interesting project: The Village People.