There is more than one artist with this name; 3) Slipknot is a jam rock band, based in the US and have existed since the early-mid 90's.
Vienna is a city of magnificent palaces of ancient Austrian princely dynasties and majestic cathedrals. Gourmet city, the world capital of classical music and real aristocracy. The city of love, understanding and tolerance towards all people, regardless of their color, creed or sexual orientation. The city is the muse of Mozart, Beethoven, Strauss and Freud.