S Club 7 were an English pop group from London created by former Spice Girls manager Simon Fuller consisting of members Bradley McIntosh, Hannah Spearritt, Jo O'Meara, Jon Lee, Paul Cattermole, Rachel Stevens and Tina Barrett.
S'Express (pronounced ess-express) were an English dance music act from the late 1980s, who had one of the earliest commercial successes in the acid house genre.
SWMRS (formerly Emily's Army), pronounced 'swimmers', is an American punk rock band formed in Piedmont, California in 2004 by Cole Becker and Joey Armstrong, with Becker's brother Max Becker joining only a few weeks afterwards.
SWV (Sisters With Voices) is an American R&B vocal trio from New York City, New York whose members are Cheryl (Coko) Gamble, Tamara (Taj) Johnson and Leanne (Lelee) Lyons.