The swans, which were considered to be the most musical among the birds, were believed to be the "singers of Apollo".
ðə swˈɑːnz, wˌɪtʃ wɜː kənsˈɪdɚd təbi ðə mˈoʊst mjˈuːzɪkəl ɐmˌʌŋ ðə bˈɜːdz, wɜː bᵻlˈiːvd təbi ðə "sˈɪŋɚz ʌv ɐpˈɑːloʊ".