Rock ‘n’ Growl Records’ metal shred guitarist, Xander Demos is happy to announce his artist endorsement arrangements with three premiere guitar equipment manufacturers: Matrix Amplification, Fractal Audio Systems and Mission Engineering. Xander adds them to his impressive list of artist endorsements, which includes Suhr and McNaught guitars, maker of his XD 727 Signature Model guitar, ISP Technologies, V-picks, Dixon cases …