三善 晃 :ピアノ・メソード(全12巻) 練習曲256b 6度重音奏の練習2【第12巻】
Miyoshi, Akira:Miyoshi Piano Method: 12 progressive propositions Exercise for double notes playing in 6ths 2
三善 晃 :ピアノ・メソード(全12巻) 練習曲256b 6度重音奏の練習2【第12巻】
Miyoshi, Akira:Miyoshi Piano Method: 12 progressive propositions Exercise for double notes playing in 6ths 2