baɪ ðə tˈaɪm ðə tˈuː ˌɛfsˈiː bɹˈɔːdkæstɪŋ ˈɔːɹkᵻstɹə hæd bɪkˌʌm ðɪ ˌeɪbˌiːsˈiː sˈɪmfəni ˈɔːɹkᵻstɹə ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fˈoːɹ, æmˈeɪdɪˌoʊ wʌz pɹˈɪnsɪpəl flˈɔːɾɪst æɾ ˈeɪdʒ twˈɛnti wˈʌn, ænd hiː ɹᵻtˈeɪnd ðɪs pəzˈɪʃən wɛn ðɪ ˈɔːɹkᵻstɹə lˈeɪɾɚ bɪkˌeɪm ðə sˈɪdni sˈɪmfəni ˈɔːɹkᵻstɹə, ʌntˈɪl hɪz ɹᵻtˈaɪɚmənt ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti ˈeɪt.
By the time the 2FC Broadcasting Orchestra had become the ABC Symphony Orchestra in 1934, Amadio was principal flautist (at age 21), and he retained this position when the orchestra later became the Sydney Symphony Orchestra, until his retirement in 1978.