Originally Posted by Unknown Soldier

In Black Sabbaths case, as they got more complex the quality of their music went down. It just depends on the group really.

I always thought of Soundgarden as a bunch of highly talented musicians anyway, only rivalled by that of Nirvana and Pearl Jam. I don`t ever think of grunge as a complex sound anyway, so deciding whether a band in the grunge genre is technically excellent or not is a lame exercise.