A Piano Lesson Method Where User Plays the Piano Laying His or Her Hands on the Image of a Model Performer’s Hands
['Chika Oshima', 'Kimie Machishima', 'Katsuki Yamaguchi', 'Koichi Nakayama']
A Piano Lesson Method Where User Plays the Piano Laying His or Her Hands on the Image of a Model Performer’s Hands