0 stands for rest, and you don't have to play it when you meet a rest, because it means the notes are silent. Black keys on the piano is used to play different levels.

Related introduction:

The symbols used to record the interval duration of different long and short notes are called rests. The basic relationship between sound values: the ratio of each larger sound value to its nearest smaller sound value is 2: 1. For example, a whole note is equal to two and a half notes; A total rest is equal to two binary rests, and so on.

Black keys is the black keys in the piano keyboard, which is at the top, shorter and narrower. There are 36 black keys keys in the 88 keys of the piano keyboard, and 5 black keys keys in each group of 12 keys.

Extended data

In the staff, the level change does not necessarily represent black keys, but black keys can only be represented by the level change. In the white spectrum, the changing sound level must represent black keys, while black keys can only be represented by changing sound level.

Any music is composed of high notes and low notes. Looking directly from the piano, the sound on the left side of the keyboard is low and the sound on the right side is high. As far as number symbols are concerned, there are several points directly above or below the number.

In addition to intonation, there is another important factor, which is intonation. The annotation of pitch and length determines that this piece of music is different from other pieces, so it becomes the most important basic element of music. This principle is expressed as the duration of sound.

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