What makes Anima Animus by The Creatures notable?

'Anima Animus' received critical acclaim for its innovative sound and was noted for its influence on the alternative rock scene. The album’s lead single, '2nd Floor', was particularly well-received and charted in several countries, reaffirming The Creatures' standing as pioneers within the genre. Released in January 1999, 'Anima Animus' was The Creatures' fourth studio album, following their 1997 release 'Boomerang'. At this point in their career, the duo—comprised of Siouxsie Sioux and Budgie—was exploring a more experimental sound, showcasing a departure from their earlier post-punk roots into a darker, more atmospheric territory.