音域:midi键盘一般分为25键,32键,37键,49键,61键,73键,76键以及88键
hoffmanacademypianolesson209twooctavescalesandarpeggios
1079_1237
练耳大师预备知识1熟悉五线谱表示音高的方法
a 7'10'' 61/2 octave cc-g4 viennese fortepiano copy, david.
Tips:Do Not Provide
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