1. 139 (100 simple exercises) - 599 (100 practical elementary exercises) - 821 (160 exercises of 8 or 16 measures) - 849 (fluent etudes) - 299 (40 quick exercises) First) -740 (50 gorgeous exercises for flexible fingers) -718 (24 simple exercises for the left hand).

2. 740 is quite difficult, and it is not easy to play it smoothly. These require time to accumulate. Includes Hanon finger training. In addition, "Hanon" is best performed at the same time as etudes such as 599 or 139. Moreover, "Hanon" needs to be played all the time. The scales, arpeggios, octaves, thirds, ring fingers, and various ornamental vibrato techniques in it are the basis for all future music expressions.

Extended information

Piano finger flexibility training

1. Hang your hand in the air and relax your hand shape. The two bases of the big finger should be relaxed and prominent, and then, let Gently move your thumb up and down to make the second pass root stand out. Pay attention to the big finger to complete it independently, not to affect other fingers and palms, and to do it relaxedly.

2. Do exercises on the piano. Move the exercises you are doing in the air to the piano. First, gently lift your fingers and press the keys gently and slowly. Focus on relaxation and independence. Pay attention to the shape of your hands. You don’t have to use one finger to press a key.

3. Based on the second point, do quick key-touch exercises with your thumb. Also, first lift your finger slightly, and then press the key quickly. Don't use too much force, relax quickly after playing the sound, your hand shape must be in good condition, and you must be quick to press the keys.