Luis Barragán's Cuadra San Cristóbal to Become a New...對啦就他,虧我還認真的把它當案例研究過,結果還不是全部忘光了
Get FASTER Fingers In 1 WEEK - #1 Finger Exercise fo...
Fix Sloppy Chord Changes INSTANTLY With This One Shi...這兩部提供了很相似的練習方法來增加手指靈活度,不過第二部講了個我以往不認為太有關係的心因性因素....mindblown