Californian up-and-comers HOLY GRAIL have uploaded the fourth episode of a series of track-by-track videos for their upcoming Nuclear Blast debut “Ride The Void” (out on January 18, 2013) to YouTube! Click here to check it out: Pt.1 can be found here: Pt.2: Pt.3: Purchase the digital iTunes single “Dark Passenger” here: “Dark Passenger” guitar instructional video on Stay tuned for the final fifth track-by-track part - to be revealed soon!