1973 - Dark Side Of The Moon by Pink Floyd went to No. 1 on the U.S. album charts. The album stayed a record-breaking 741 discontinuous weeks on the Billboard chart, and it has now sold over 45 million copies worldwide.
1976 - Bruce Springsteen and the E Street Band appeared at the Grand Ole Opry at the Opryland USA theme park in Nashville, the first time a rock band has played the Opry since The Byrds in 1968. They played Growin'Up, thunder road, and Born to Run.
1979 - Blondie's Heart Of Glass hit No. 1. Debbie Harry and Chris Stein (who were a couple) wrote the first version of this song in early 1974, shortly after they first met. They didn't have a proper title for the song, and would refer to it as "The Disco Song." Harry explained on the show Words and Music: "Lyrically, it was about a stalker who was pursuing me, and Chris saved me from him."
1998 - Before These Crowded Streets by the Dave Matthews Band debuted at No.1 on the US albums chart, ending the Titanic soundtrack's 16-week run at the top.
Before These Crowded Streets finds the happy-go-lucky Virginia rockers exploring darker territory, most notably on "Don't Drink The Water." The album's first single, it's a brooding tribute to civilizations decimated by genocide, particularly focusing on the plight of Native Americans during the violent European colonization of North America. (Photo by Noam Galai/Getty Images for Citi)
2003 - Apple launched iTunes, which becomes the first widely-successful legal music download site, thanks to the emergence of the iPod portable music player. At first, the service was available only to Mac users, and the music files were encoded in Apple's proprietary format restricting where they could be played.
Muscle Shoals keyboardist Chuck Leavell is 70. He recorded and toured with the Rolling Stones, the Allman Brothers, Eric Clapton and many others.
Kim Gordon, bassist, guitarist and vocalist of Sonic Youth, is 69.
On This Day In Music History are gathered from This Day in Music, Song Facts and Wikipedia.