Chunguza Gregorian Chant: Hymns and Vespers for the Feast of the Nativity ya Anonymous,Schola of the Hofburgkapelle, Vienna,Hubert Dopf S.J., iliyotolewa 31/12/1985. Albamu yenye nyimbo 22 ikiwemo 'Christe Redemptor omnium - Hymnus ad Vesperas tempore Nativitatis Domini', 'Puer qui natus est nobis - Introitus/In Nativitate Domini ad Missam in die', 'Kyrie V - Kyrie magnae Deus potentiae, Vat. V/In Nativitate Domini ad Missam in die'. Pata takwimu za kina za usambazaji, uchambuzi wa nyimbo moja kwa moja na vipimo vya ushiriki wa wasikilizaji.
