STS9 (Sound Tribe Sector 9) is an instrumental band formed in 1998. The group mixes standard live rock instrumentation with electronics, favoring group rhythm over individual solos. The band has toured nationally and internationally with a heavy presence in the music festival circuit. STS9 has headlined stages at festivals such as Bonnaroo, North Coast Music Festival, Electric Daisy Carnival, Outside Lands, Lollapalooza, and Electric Forest Festival. The band's most popular songs: When the Dust Settles, Circus, Aimlessly, and Scheme.