What key details about karl buechner can be extracted from the following bio? Bio: karl buechner -lrb- born circa 1972 -rrb- is an american musician from syracuse , new york , best known as the vocalist for the band earth crisis since the early 1990s he has been at the forefront of the hardcore music scene . he promotes a straight edge and vegan lifestyle , and is also known for his work in the animal rights movement , speaking at many prominent hearings and doing outreach work for animal rights organizations such as peta . after the breakup of earth crisis in 2001 , he began singing for freya , a band named for the norse goddess of fertility . in 2007 , earth crisis reformed with karl buechner as singer again . he is currently a member of the band path of resistance , which includes all but one of the members of earth crisis .
Answer:
- name is karl buechner- background is solo_singer- associated acts is earth crisis , freya , path of resistance