Dead Can Dance (all albums are very different so listen to a few of each)
Gorillaz
Paradise Lost
Lacuna Coil
Within Temptation
Blasted Mechanism (really good one)
Muse
Therion
Tiamat (awesome musics)
Rammstein
Sérgio Mendes (has some musics with other groups. Very different styles within a album)
The Gathering

Check this site: Deezer

In there you can listen to most of the stuff to see if you like