There are multiple artists with this name: 1) Placenta is an indie band from Denmark who delight in harmonies and laid back music inspired by The Smiths and Depeche Mode. 2) Placenta is a deathcore band from Germany. http://www.myspace.com/placentametal 3) Placenta was a thrash metal band from Brazil. 4) Placenta was a death metal band from Michigan.