"Crazy Train" by Ozzy Osbourne is about the Cold War concept of Mutually Assured Destruction (M.A.D.) should any nuclear missile be fired.
Aretha Franklin didn't drive, but one of her biggest hits was a car song: "Freeway Of Love."
George Harrison's 1971 song "Bangla Desh" was the first major charity single. It was part of a concert held to bring relief to the people of Bangladesh, who were fighting for independence and suffering from a famine.
Bobby Freeman's '50s hit "Do You Want To Dance" was also a Hot 100 hit for Del Shannon, The Beach Boys, The Mamas & the Papas, Bette Midler and the Ramones.
"Everywhere" wasn't a huge hit for Fleetwood Mac, but it's one of their most popular songs in the streaming era. It was written and sung by Christine McVie, who wrote these kind of catchy tunes in contrast to mystical Stevie Nicks songs like "Rhiannon" and "Gold Dust Woman."
"Frankenstein" by Edgar Winter got its name because it was a monster to edit; they pieced it together like Frankenstein's monster.
Richard explains how Joe Walsh kickstarted his career, and why he chose Hazard, Nebraska for a hit.
The stories behind the biggest hit songs about trucking.
The lead singer/lyricist for Anberlin breaks down "Impossible" and covers some tracks from their 2012 album Vital.
Chad tells tales from his time as drummer for Nirvana, and talks about his group Before Cars.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
Tyler talks about his true love: songwriting. How he identifies the beauty in a melody and turns sorrow into art.