Deathrash is the combination of thrash and death metal. The earliest forms of this took place in around 1986 - albums such as Slayer's Reign In Blood is a prime example of what influenced bands to take thrash further. Essentially, it is the sound of the transition from thrash to death metal - vocals are deeper and harsher, drums are faster than the norm for thrash, riffs are heavier and more often tremolo picked etc.
by DTfan July 8, 2007