Music that attempts to fuse traditional and contemporary forms always draws some trepidation. Sometimes it works. After all, one of this year’s best shows combined Indian classical music with electronic grooves. Many times, however, the results are just schmaltzy dreck, devoid of any emotion or integrity. Last night’s performance by the Mystic Warriors fell somewhere in between these two extremes. While the musicianship was first rate and the melodies and rhythms were haunting, there were…