There are a couple of artists who use the name Stax.
1. Stax is a demoscene music composer who produced music on an Atari Falcon with a rave style. Lost Blubb is a demo for the Atari Falcon that features music composed by Stax.
2. Stax was an early eighties act who recorded hip hop for the Philadelphia record label P&P owned by disco producer & remixer Patrick Adams.