Sound Tribe Sector 9 (STS9) is an instrumental band whose sound is based heavily on instrumental rock and electronic music, funk, jazz, drum and bass, psychedelia, and hip hop, originating in Georgia, United States. Self-described as "post-rock dance music," the band mixes standard live rock instrumentation with electronics, favoring group rhythm over individual solos.
STS9 has released 11 albums, two remixed albums, and multiple live DVDs on their own label, 1320 Records. STS9 has toured the US nationally and internationally, ranking among Pollstar Magazine's list of top-grossing touring acts, with a heavy presence in the music festival circuit.