stɹævˈɪnski spˈɛsᵻfˌaɪz ɪnðə skˈoːɹ ðˈæt "tʃˈɪldɹənz vˈɔɪsᵻz ʃˌʊd biː ɛmplˈɔɪd" fɔːɹ bˈoʊθ ðə səpɹˈɑːnoʊ ænd ˈæltoʊ pˈɑːɹts, bˌʌt, æz wɪð stɹævˈɪnskiz sˈɪmfəni ʌv sˈɑːmz, kˈɑːnsɚt pɚfˈoːɹmənsᵻz ʌvðə mˈæs jˈuːʒuːəli ɛmplˈɔɪ ɐdˈʌlt sˈɪŋɚz.
Stravinsky specifies in the score that "children's voices should be employed" for both the soprano and alto parts, but, as with Stravinsky's Symphony of Psalms, concert performances of the Mass usually employ adult singers.