虫儿飞

3334532111233[66]

13213213211

3334532111233[66]

13213213211

32543254345321[6]321[6]21

535315353121

33345322111233[77]

[6]32[6]32[6]3211

33345322111233[77]

[6]32[6]32[6]3211

32543254345321[6]321[5]21

434314343121---

[]表示低音

既简单吹出来又好听