He had found an aulos on the ground, tossed away after being invented by Athena because it made her cheeks puffy.
hiː hæd fˈaʊnd ɐn ˈɔːloʊz ɔnðə ɡɹˈaʊnd, tˈɔst ɐwˈeɪ ˈæftɚ bˌiːɪŋ ɪnvˈɛntᵻd baɪ æθˈiːnə bɪkˈʌz ɪt mˌeɪd hɜː tʃˈiːks pˈʌfi.