2013, a capella hero metal, a7x, album, apocalyptica, avenged sevenfold, band, bastian emig, behemoth, black metal, blue, bullet for my valentine, dark, death, dennis schunke, deutschland, dream theater, dumbbells, eicca toppinen, electro-industrial, finland, frank van der star, gothic, gym, hardcore, hardcore insanity, hendrik jan de jong, him, horn, industrial, inga scharf, ingo sterzinger, jason james, johnny christ, kmfdm, lasse dellbrugge, love metal, m. shadows, manda ophuis, matthew tuck, metal, metalcore, michael padget, michael thomas, mikko sirén, music, nemesea, paavo lötjönen, perttu kivilaakso, progressive, promo, rock, ross thompson, sharon den adel, skull, sonny onderwater, stefan schmidt, style, sympho, symphonic, synyster gates, the group, the rev, the unforgiven, van canto, within temptation, wwiii, zacky vengeance