The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
It wasn't her biggest hit as a songwriter (that would be "Bette Davis Eyes"), but "Put a Little Love in Your Heart" had a family connection for Jackie.
When he joined Guns N' Roses in 1990, Matt helped them craft an orchestral sound; his mezzo fortes and pianissimos are all over "November Rain."
Webb talks about his classic songs "By the Time I Get to Phoenix," "Wichita Lineman" and "MacArthur Park."
The Garbage drummer/songwriter produced the Nirvana album Nevermind, and Smashing Pumpkins' Gish and Siamese Dream.
Fagen talks about how the Steely Dan songwriting strategy has changed over the years, and explains why you don't hear many covers of their songs.