In the key of F, this song is level 3.

Different piano music represents different levels, for example:

Level 1: After learning "Bayer Piano Basics Tutorial", the cooperation of both hands will be more coordinated.

Level 2: While mastering the second half of Czerny's "Elementary Piano Etude" (Op. 599), you can also be exposed to some more complex rhythms and changes.

Level 3: In the first half of Czerny's "Piano Fluid Etude" (hereinafter referred to as "Piano Music") (Opus 849), the finger movement reaches a certain level of fluency.

Level 4: Czerny's "Piano Music" (Operation 849), played accurately with both hands, and must show a certain level of performance.

Level 5: The first half of Czerny's "Piano Music" (Op. 299) requires a certain degree of speed and skill mastery.

Level 6: After Czerny's "Piano Music" (Operation 299), you can complete it fluently and show your skills.

Level 7: Czerny’s “Piano Music” (Op. 299) has been played in full. The fingers should have strong running ability and explosive power.

Level 8: Understand and master all the difficult and complex techniques in Czerny's "Technical Connections of Finger Dexterity in Piano Etudes" (Op. 740).

Level 9: The hands must reach the coordination and flexibility required by "Moscowsky Etude", and the musical expression ability also needs to be gradually deepened.

Level 10: Beginner level of "Chopin Etudes", the overall mastery and understanding of music basically reaches the basic level of the music school major.