AnalyzerSentence analysis4SpansSentence即興で演奏する1000 character limitAnalyzeSentence即そっ興きょうで演えん奏そうするSpan Details即そっ興きょうimprovisation; improvised; impromptu; ad-libnoun, no-adjectiveでlocation, means, or scope markergrammar演えん奏そうmusical performance; playing musicnoun, suru verbするlight/support verb with a noun or noun-like phrasegrammar