baritone vocals Mario Basiola
baritone vocals Robert Merrill
bass vocals Ezio Flagello
bass vocals Ferruccio Mazzoli
choir I Bambini Di Renata Cortiglioni
choir RCA Italiana Symphony Chorus
chorus RCA Italiana Symphony Chorus
chorus master Nino Antonellini
chorus master Renata Cortiglioni
conductor Erich Leinsdorf
engineer Anthony Salvatore
mezzo-soprano vocals Shirley Verrett
orchestra RCA Italiana Symphony Orchestra
producer Richard Mohr
soprano vocals Leontyne Price
soprano vocals Reri Grist
tenor vocals Carlo Bergonzi
tenor vocals Fernando Iacopucci
tenor vocals Piero De Palma
Recorded In Italian, at the RCA Italiana Studios, Rome.

Libretto in English and Italian
Including Foto card and biography of singers (In German!)