Answer:
Music. Find lofi or instrumentals or beats of your favorite songs. Some say music makes your focus bad, but it provides an incentive and helps me slip into the zone. As long as it isn't heavy rock or energetic pop, just some calming music without lyrics, it helps you relax and focus.
If you could give me your insta I might be able to help more by basing it off your interests. Feel free not to though.
Answer:
Crestfallen means disappointed
Explanation:
She is disappointed in herself because she didn't do well at her recital.