List of bands (22):

Narcotic Wasteland
Nazareth
Nefarious
Nenufar
Nervosa
Nestor
Nevertel
Newsted
Nickelback
Nightwish
Nikt
Nirvana
Nita Strauss
Nocny Kochanek
Nocturna
Novelists
Novembre
Nuclear Messiah
Nuclear Warfare
Obituary