March 13 - In the US, Bryan Adams "Heat of the Night" becomes the first single to be commercially released on cassette. Cassette singles become known as cassingles[?].
April 23 - Carole King sues the owner of her record company, Lou Adler, claiming that she is owed more than $400,000 in royalties. King also asks for rights to her old recordings.
... and Moscow, Russia, with an inventory of 12,000 titles.
1904 in literature
1904 in music
1904 in sports
The second Summer Olympic Games are held in St. Louis, ...