
YouTube had to upgrade after PSY's "Gangnam Style" broke their hit counter in 2012. Once the video reached 2,147,483,647 views, the maximum positive value for a 32-bit signed binary integer in computing, the view-counter could no longer work.

Ed Sheeran's first single was "The A Team," a song about a drug-addicted prostitute.

Bob Dylan's most popular song is "Like A Rolling Stone," which tells the story of a wealthy woman whose money and friends fall away. Dylan offers these mockingly encouraging words: "When you ain't got nothing, you got nothing to lose."

Will.I.am, literally dreamt up "I Gotta Feelin'." Said the Black Eyed Pea: "Have you ever had a dream where there's a melody in your dream? I'll wake up out of my sleep and record that! 'I Gotta Feelin' was one of those songs."

Sheriff had been disbanded for years when "When I'm With You" hit #1 in America thanks to rediscovery by radio stations. The group never re-formed and never made a video for the song.

Lou Reed's 11-minute "Street Hassle" features a spoken part by Bruce Springsteen.
Director Mark Pellington on Pearl Jam's "Jeremy," and music videos he made for U2, Jon Bon Jovi and Imagine Dragons.
The country hitmaker talks about his debut album, A Rock, and how a nursery rhyme inspired his hit single "One Beer."
At 80 years old, Yoko has 10 #1 Dance hits. She discusses some of her songs and explains what inspired John Lennon's return to music in 1980.
Dan cracked the Top 40 with "Ritual," then went to India and spent 2 hours with the Dalai Lama.
Find out how God and glam metal go together from the Stryper frontman.
After cutting his teeth on hardcore punk videos, Paul defined the grunge look with his work on "Hunger Strike" and "Man in the Box."