Southern All Stars (サザンオールスターズ Sazan Ōrusutaazu), also known by the abbreviations Sazan (サザン) and SAS, is a Japanese rock band that formed in the mid-1970s. The band is composed of Keisuke Kuwata (lead vocals and guitars), Yuko Hara (vocals and keyboards), Kazuyuki Sekiguchi (bass), Hiroshi Matsuda (drums) and Hideyuki "Kegani" Nozawa (custom percussion). In addition to the present lineup, former guitarist Takashi Omori had worked in the band until 2001. The band has occasionally gone into hiatus while individual members work on solo and other projects, and did so again between 2008 and 2013.