Listen to Act IV: O de gli habitator de l'ombre eterne online. Act IV: O de gli habitator de l'ombre eterne is an English language song and is sung by Kammerorchester Berlin, Helmut Koch and Josef Hausmann & Gerhard Räker. Act IV: O de gli habitator de l'ombre eterne, from the album Monteverdi: L'Orfeo, was released in the year 1970. The duration of the song is 1:24. Download English songs online from JioSaavn.