Listen to Messa da Requiem: IV. Liber scriptus online. Messa da Requiem: IV. Liber scriptus is an English language song and is sung by Elisabeth Schwarzkopf, Giuseppe Di Stefano and Cesare Siepi. Messa da Requiem: IV. Liber scriptus, from the album Verdi: Requiem & I Vespri Siciliani - Franck: Symphony in D Minor - Dukas: The Sorcerer's Apprentice, was released in the year 2005. The duration of the song is 5:12. Download English songs online from JioSaavn.