UMUR "DTP Demo 1986" is a compilation album by US, California based thrash metal act Sadus. The compilation was released through Hammerheart Records in May 2003. "DTP Demo 1986" features the 6 tracks from the 1986 "Death to Posers" demo, and 2 tracks from the 1987 "Certain Death" demo. Some of the tracks would make it unto Sadus debut full-length studio album "Illusions (1988)", while others are exclusive to the demos (and now this compilation, which features remastered versions of the original demo tracks).

Stylistically the music on the compilation is furiously fast-paced and aggressive thrash metal with a snarling and screaming high pitched vocalist in front. It´s like listening to a steroid pumped and out of control version of Slayer/Dark Angel. Sadus were arguably rather extreme for their time. The 8 tracks on the 27:46 minutes long compilation aren´t terribly original in style, and Steve DiGiorgio´s future dominant bass attack, is only heard sporadically on this release, but the high quality of the performances, the solid songwriting, and the relatively well sounding production, are positive assets, and it´s certainly a worthwhile release for fans of the band. The more casual listener is advised to start with one of the studio albums before giving this one a listen.

The material from "Death to Posers (1986)", which is the oldest material on the compilation, is surprisingly the most well produced, while the 2 tracks off the "Certain Death (1987)" demo aren´t as well sounding, but still decent in quality. Upon conclusion a 3 - 3.5 star (65%) rating is warranted.