There are 2 bands with this name: 1) D.N.O. is a five piece modern rock band formed in Skopje, Macedonia in late 1999. D.N.O in principal is more than only a musical group. It is a core of young and talented Macedonian artists to which other talented people are usualy being attracted and invited to participate in their own way. 2) Death metal band from Ekaterinburg, Russia (split-up).