There are at least ten bands with the name Invasion:
1) Invasion are a London-based three-piece metal band. TWO MEMBERS NOW IN NEW BAND 'VODUN' http://www.last.fm/music/Vodun
2) Invasion is a Latvian rock band.
3) Invasion were a Swedish punk group active in 1979
4) Invasion were a tejano band active in early to mid nineties.
5) Invasion were a Swedish rock group active from 2003 until 2006.
6) BOSTON STRAIGHT EDGE