What makes Expurse of Sodomy by Sodom notable?

This album is noted for its controversial themes and aggressive sound, which left a significant mark on the thrash metal genre. It helped to further establish Sodom as one of the leading bands in the German metal scene, influencing future acts and contributing to the rise of extreme metal. Expurse of Sodomy is Sodom's third studio album, released in 1987, following their critically acclaimed album Persecution Mania. At this point in their career, Sodom had solidified their presence in the burgeoning German thrash metal scene and were beginning to gain international recognition.