Euphoria Morning is the first solo studio album released by American musician Chris Cornell. It was released on September 21, 1999 through Interscope Records. Euphoria Morning sold over 75,000 copies in its first week of release and eventually sold 343,000 copies in the U.S. alone. While a large success critically, it did not sell nearly as well as Cornell's albums with Soundgarden. It is Cornell's only album between the split of Soundgarden until he formed Audioslave with members of Rage Against the Machine. The original working title of this album was to be "Euphoria Mourning" however, a typo changed the album name to "Euphoria Morning". This was confirmed by Chris Cornell at his Philadelphia show on the Songbook Tour. In 2015 the album was re-released on CD and vinyl with the title Euphoria Mourning, with Chris Cornell stating in the press release that he had originally intended for the album to be called Eurphoria Mourning. In radio interviews at the time of the album's original release, Cornell noticed that the words "morning" and "mourning" sound identical when spoken. He decided that spelling it "mourning" was confusing, so he changed it to "morning". As soon as the album came out, he immediately regretted the decision.