There are at least five artists with this name: 1) acoustic Austrian trio
2) a rapper from Atlanta who moved to Philadelphia
3) a dutch band
4) a solo project from William Rehn of Detroit, Michigan, currently based in Los Angeles
5) Hardcore band from Punxsutawney, PA. 1) S.T.S. is an Austrian band-trio that was founded in 1978 by Gert Steinbäcker, Günter Timischl and Schiffkowitz (also known as Helmut Röhrling ).

Read more about STS on Last.fm.