Party in the U.S.A. is a pop song performed by American recording artist Miley Cyrus. The song was written by Lukasz Gottwald, Claude Kelly and Jessica Cornish, and produced by Gottwald. Released as the lead single from Cyrus' extended play The Time of Our Lives, it served as promotion for her clothing line with Max Azria. The song was scheduled to be released to mainstream radio on August 3, 2009, but the release date was changed to July 29 following an unauthorized leak on the Internet. Party in the U.S.A. is a mid-tempo song and has prominent pop rock characteristics. The song's lyrics evoke Cyrus' move from Nashville, Tennessee to Los Angeles, California.