There is more than one band called Vacuum: 1) a swedish syntpop formation
2) a Dutch punk band (see http://www.last.fm/music/Vacu%C3%BCm)
3) an Italian black metal act
4) a czech doom metal band Vacuum (SWE) is the name of a swedish song-writing/production duo consisting of Mattias Lindblom and Anders Wollbeck. They also work together as a pop-group under the same name. As songwriters they have written hits for artists such as Monrose, Garou, Tarja Turunen and Rachel Stevens to name a few.