In the UK, the first #1 hit with a rap was "Candy Girl" by the American boy band New Edition in 1983.
James Brown's "Get Up (I Feel Like Being a) Sex Machine" was the first Hot 100 hit with the word "sex" in the title.
The first hit song that was used in a commercial before it was released as a single was "I'd Like To Teach The World To Sing," which was written for a Coke ad.
Don't play "I Will Always Love You" at your wedding - Dolly Parton wrote it about leaving someone behind to strike out on her own.
The actress Michelle Pfeiffer gets namechecked in the 2014 megahit "Uptown Funk" ("Michelle Pfeiffer, that white gold"). When it was released, "Riptide" by Vance Joy was on the charts; that song also mentions her ("Closest thing to Michelle Pfeiffer that you've ever seen").
With a message of acceptance and inclusivity, "True Colors" became a gay rights anthem. Cyndi Lauper help form an organization called True Colors United to help support LGBTQ youth.
Richie talks about producing the first two Kiss albums, recording "Brother Louie," and the newfound appreciation of his rock band, Dust.
Justin wrote the classic "Nights In White Satin," but his fondest musical memories are from a different decade.
The Cult frontman tells who the "Fire Woman" is, and talks about performing with the new version of The Doors.
David talks about videos he made for Prince, Alabama, Big & Rich, Sheryl Crow, DMB, Melissa Etheridge and Sisters of Mercy.
Laura Nyro talks about her complex, emotionally rich songwriting and how she supports women's culture through her art.
Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.