ðɪs sˈɪɹiəs fˈɔːɹm ʌv ɹˈaɪvəlɹi ˈɛndᵻd baɪ ðə nˈaɪntiːnhˈʌndɹɪd twˈɛnti z wɛn pˈiənɪsts bɪɡˈæn ɐkwˈaɪɚɹɪŋ mˈoːɹ stˈeɪbəl ɛŋɡˈeɪdʒmənts, ænd bˈeɪsɪk ɹˈæɡtaɪm ænd "fˈæst ʃˈaʊt" piˈænoʊ ɪvˈɑːlvd ˌɪntʊ ðə mˈoːɹ ˈɪmpɹəvˌaɪzd stɹˈaɪd stˈaɪl ɐ tˈɜːm ðæt bɪɡˈæn təbi jˈuːzd ɪnðə nˈaɪntiːnhˈʌndɹɪd twˈɛnti z.
This serious form of rivalry ended by the 1920s when pianists began acquiring more stable engagements, and basic ragtime and "fast shout" piano evolved into the more improvised stride style (a term that began to be used in the 1920s).