Renowned metal guitar virtuoso, Xander Demos (Sabbath Judas Sabbath, XDB) has announced his performance schedule for the upcoming NAMM Convention in Anaheim, CA. Xander will perform at the Mission Engineering booth from Thursday, January 22nd through Sunday, January 25th, 2015, at 1pm daily. Xander, who is an “Artist on a Mission” endorsed artist, will show off his shredding skills, while …