三善 晃 :ピアノ・メソード(全12巻) 練習曲247a 右手の減7の分散和音奏【第11巻】
Miyoshi, Akira:Miyoshi Piano Method: 12 progressive propositions Broken chord playing of diminished 7ths with the right hand
三善 晃 :ピアノ・メソード(全12巻) 練習曲247a 右手の減7の分散和音奏【第11巻】
Miyoshi, Akira:Miyoshi Piano Method: 12 progressive propositions Broken chord playing of diminished 7ths with the right hand