4,24

Bb-Major prelude:

make sure the 'running parts' are even both in sound, length, and tone. Change tempo at second part-slower. Create two different atmospheres imitate conversation between two people.

c#-minor prelude:

stretch beat 5 for first melody, and stretch beat 3 to voice the harmony at beat 4. Tempo increase to 84.

4,23

Bb-Major prelude:

memorized.

4,21

c-minor prelude:

play 5 times in playing speed, count and keep control (especially LH). Make sure every note get equal weight when slow practice. Insert a break before presto.

c-minor fugue:

slow practice 2nd page.

c#-minor prelude:

increase tempo to 72.

G-Major prelude:

count, keep control.

練習的策略

開始彈奏之前先想想要達到怎樣的效果, 覺得怎麼樣好聽, 先在心中唱

然後開始彈奏, 試著達到預期的目標, 仔細聽

找出不符合預期目標的地方, 慢練, 設計小練習來解決

McHugh: Now, Don't feel! Think, think!

4,18

c-minor prelude:

go through escapement for 'odd notes' (eg. RH thumbs), make sure the weight drops for every note. Fix LH fingering at bar 14.