帮我介绍一下Dark Angel乐队，谢谢^^

Dark Angel became known in thrash metal circles for their ability to deliver some of the genre's most challenging and articulate albums without ever losing touch with its core attributes of pure speed and primal aggression. And although, like many of their peers, the band's appeal would never really extend beyond the metal underground, their recorded legacy has stood the test of time much better than the bulk of their '80s thrash metal peers.

Formed in Los Angeles in 1983, Dark Angel went through countless incarnations before settling on a somewhat stable lineup featuring vocalist Don Doty, guitarists Eric Meyer and Jim Durkin, bassist Rob Yahn, and drummer Jack Schwartz. After having one of their demos, "Welcome to the Slaughterhouse," chosen for inclusion on Brian Slagel's Metal Massacre IV collection in 1985, the group proceeded to assemble their remaining demo tapes into a primitive, but enthusiastic first album called We Have Arrived, releas