The Burton-penned instrumental “Orion”, from Master of Puppets, is perhaps named after Project Orion, which proposed to construct a space rocket that would be propelled via a series of nuclear detonations. The start of the song would correspond to the propulsive/expulsive phase, with nuke after nuke dropping out of the rocket’s backside and exploding; the quiet bit in the middle would then represent the rocket drifting in deep space, having achieved its maximum velocity…