With a lineup that includes members of Alabama Thunderpussy, Baroness, Beaten Back To Pure and Municipal Waste, Birds of Prey is a vital part of the Southern metal explostion. Sophomore release Sulfur And Semen transcends geographical boundaries by also transcending musical boundaries - it's too fast for sludge, too grimy for death, too precise for punk and way heavier than the current crop of retro-rock revivalists.