Nell-HyunA-Jay Park And Others To Show up At U.S. SXSW ‘K-Pop Night Out’ Showcase. On March 7-16, SXSW will be held in Austin, Texas and will hold various performances, conferences, music, movies and more. This is a well known music festival around the world and expects around 2,200 different performances. On March 11, they will hold a ‘K-Pop Night Out’ showcase at SXSW and K-Pop artists will perform including HyunA-Jay Park, Nell, Crying Nut, Jang Kiha and the Faces and more.