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).
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.