Vampillia

Vampillia from Japan describe themselves as a 10 piece "brutal orchestra" and turn classical into hardcore music. The three vocalists are backed by twin guitars and violins, a bass, a viola, a piano and a DJ.
Members include recording drummer Toyohito Yoshikawa (ex Boredoms) and Kazuhisa Chikada (World's End Girlfriend) as 2nd drummer. Their website can be found at http://www.vampillia.com.