Listen to Missa Pro Defunctis : Libera me online. Missa Pro Defunctis : Libera me is an English language song and is sung by Alain Zaepffel, Stéphane Caillat, Michel Laplénie, Jean-Louis Bouillat, Virginia Pattie, Ensemble Per Cantar e Sonar and Laure Noël. Missa Pro Defunctis : Libera me, from the album Requiem pour un Millénaire, was released in the year 1999. The duration of the song is 3:50. Download English songs online from JioSaavn.