hˈaɪɑːk stˈɑːɹɾᵻd ˈaʊt æz ɐ sˈɪŋɡəl ɑːnsˈɑːmbəl, bˌʌt æz ɪts ɐtˈɛndəns ɡɹˈuː ɪt kəntˈɪnjuːd tʊ ˈæd ɐdˈɪʃənəl kwˈaɪɚz.
HYOC started out as a single ensemble, but as its attendance grew it continued to add additional choirs.