ˌɔn twˈɛnti tˈuː noʊvˈɛmbɚ tˈuː θˈaʊzənd sˈɪks, təɡˌɛðɚ wɪððə hˌɑːnəlˈuːluː sˈɪmfəni ænd ðə sˈɪmfəni kˈoːɹəs, hˈaɪɑːk pɹɪzˈɛntᵻd dʒˈɑːn ɹˈʌɾɚz mˈæs ʌvðə tʃˈɪldɹən, fˈiːtʃɚɹɪŋ hˈaɪɑːk æz ðə pɹˈɑːmɪnənt tʃˈɪldɹənz kˈoːɹəs.
On 22 November 2006, together with the Honolulu Symphony and the Symphony Chorus, HYOC presented John Rutter's Mass of the Children, featuring HYOC as the prominent children's chorus.