三善 晃 :ピアノ・メソード(全12巻) 練習曲157a 右手の同音連打、重音奏と跳躍の予備練習【第8巻】
Miyoshi, Akira:Miyoshi Piano Method: 12 progressive propositions Preliminary exercise for repeated notes, double notes and jumping notes with the right hand
三善 晃 :ピアノ・メソード(全12巻) 練習曲157a 右手の同音連打、重音奏と跳躍の予備練習【第8巻】
Miyoshi, Akira:Miyoshi Piano Method: 12 progressive propositions Preliminary exercise for repeated notes, double notes and jumping notes with the right hand