Given the question: What key details about azrael -lrb- band -rrb- can be extracted from the following bio? Bio: azrael is a black metal band from minnesota , formed by lord samaiza and algol in 1999 . in 2000 , their first demo tape , '' virulent darkness '' , was released by the band . in 2001 , their second demo tape '' unto death '' was self-released . in early 2002 azrael released the extremely limited rehearsal demo consisting of improvised ambient/noise experimentation '' noise '' . in late 2002 , '' obdurate '' was released on desastrious records . in 2003 , '' into shadows act 1 : denial '' was released on moribund records . '' into shadows act ll : through horned shadows glimpse '' was released in 2004 on moribund records . azrael contributed the exclusive track '' illumination '' to the '' destroyers from the western skies compilation cd on killzone records . in early 2007 azrael released a double-cd '' act iii-self ... act iv-goat '' on moribund records . azrael re-released both the '' obdurate '' and '' unto death '' demos as a single cd through moribund records in august 2008 .
The answer is:
- years active is 1999 -- present- past members is tharengraff , tanner anderson -lrb- unknown goat -rrb-- origin is minnesota , usa- genre is black metal- name is azrael- background is group_or_band- label is moribund records- current members is lord samaiza , algol