The Extreme Guitar Tour, shortened to XG, returns for another tour celebrating some of guitar history’s living legends. Uli Jon Roth will headline the show, and special guests include Vinnie Moore and Black Knights Rising. The show originated as a West Coast exclusive tour, but last year’s tour was the first of the national incarnation of the tradition. This year they come to NYC on Feb. 8 for a stop at B.B. King Blues Club.