sˈɪns ðɪ ˈɜːli nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z, ðə nˈaʊmbɜːɡ kˌɑːmpətˈɪʃən hɐz dʒˈɛnɚɹəli ɹoʊtˈeɪɾᵻd θɹˈiː dˈɪfɹənt kˈæɾɪɡɚɹiz piˈænoʊ, stɹˈɪŋz, ænd vˈɔɪs ˌɔn ɐ tɹˈaɪnɪəl bˈeɪsɪs ɔːlðˈoʊ ðɛɹ hæv ˈɔːlsoʊ bˌɪn kˌɑːmpətˈɪʃənz fɔːɹ flˈuːt, klˌæɹənˈɛt, ænd klˈæsɪkəl ɡɪtˈɑːɹ.
Since the early 1970s, the Naumburg Competition has generally rotated three different categories – piano, strings, and voice – on a triennial basis (although there have also been competitions for flute, clarinet, and classical guitar).