00:00ショパン：12の練習曲Op.10-2/CHOPIN ※挑戦曲！練習後…とにかく練習 Challenging piece! After practice... play without increasing the tempo... still finger twirling... don't make mistakes where you can play... 02:22ショパン：12の練習曲Op.10-2/CHOPIN ※挑戦曲！練習…右手中心の練習…何種類もリズム練習……指使い注意… Challenging piece! Practice...right hand centered practice...many kinds of rhythm practice...play only right hand chords...be careful with fingering...make sure you can play without increasing tempo...