
Originally Posted by
Hypnos
Apart from the fact that Primal Scream aren't a metal band, it depends on what you mean by "innovative". But I consider these pretty innovative:
Maudlin of the Well - Bath/Leaving Your Body Map
Orphaned Land - Mabool
Neurosis - Through Silver in Blood
Wormed - Planisphaerium
Lykathea Aflame - Elvenefris
Akercocke - Words that go Unspoken, Deeds that go Undone
Deathspell Omega - Si Monumentum Requires, Circumspice (and everything they've done since then)
all qualify by my standards, and that's just off the top of my head.