Neil Young wrote the CSN&Y song "Ohio" about the Kent State Shootings, when the National Guard opened fire on students at Kent State University in Ohio, killing four.
The disco song "Good Tmes" by Chic was a huge influence on early rap, providing the bassline for "Rapper's Delight."
When the Velvet Underground song "Heroin" got screechy, Maureen Tucker stopped drumming, figuring it would bust the take, but her bandmates kept going. You can hear it at the 5:20 mark.
The songs on Lady Gaga's The Fame Monster album represent a "fear" of some "monster." "Alejandro" is her "fear of sex" monster.
Stevie Wonder wrote the Rufus funk classic "Tell Me Something Good."
In the UK, Michael Jackson's "Thriller" returns to the chart every Halloween, a tradition started in 2007.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
The stories behind "Shine," "December," "The World I Know" and other Collective Soul hits.
U2, Carly Simon, Joanna Newsom, Brian Wilson and Fiona Apple have all gone to Van Dyke Parks to make their songs exceptional.
Deep Purple frontman Ian Gillan explains the "few red lights" in "Smoke On The Water" and talks about songs from their 2020 album Whoosh!
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
Do you know the girl singer on Eminem's "Stan"? If so, this quiz is for you.