Mezue ahịrịokwu na-esonụ: The autograph nke Requiem e enịm ke ngosi na
Ihe ngosi ụwa na 1958 na Brussels. N'oge ụfọdụ n'oge ngosi ahụ, mmadụ nwere ike ịnweta ihe odide ahụ, na-adọkpụ akụkụ aka nri nke ibe nke abụọ ruo nke ikpeazụ (mpempe akwụkwọ 99r/45r), nke nwere okwu ndị a "Quam olim d: C:" (ntụziaka na a ga-emeghachi "Quam olim" nke "Domine Jesu" da capo, na njedebe nke Hostias). A matabeghị onye mere ya, a chọtabeghịkwa iberibe ahụ.