proto-metal — similar tags: heavy psych, heavy rock, stoner rock, retro rock, occult rock, doom, doom rock, hard rock, acid rock, 70's rock, black sabbath, nwobhm, psychedelic rock, heavy metal, fuzz, stoner metal, doom metal, heavy blues, gothic metal, heavy metal - hard rock, classic metal, rock, stoner, desert rock, gothic rock, proto-punk, stoner doom, fuzz rock,