Octomore is Bruichladdich's brand where they experiement with extremly peated whisky. A bottle usually is at least around €150. Totally worth it though
Bands that have play:
Nigthwish, Symphony X, Ratt, Tarja Turunen, Within Temptation, Deep Purple, Sonata Artica, Angra, Therion, The Gathering, Carcass