1, rising do is the black keys above do, and falling do is the white key to the left of do;

2. Piano is a keyboard instrument in western classical music, and it has the reputation of the king of musical instruments.

3. The piano has a range from A0 to C8, which covers almost all the tones in the music system, and it is the instrument with the widest range except the organ. Piano is widely used in solo, ensemble and accompaniment performances.

Extended data:

Introduction of piano keys:

1, the piano keyboard consists of black keys and white keys, with a total of 88 keys (a few pianos only have 85 keys). Among them, there are 36 black keys and 52 white keys. If we carefully observe black keys and White Bond, we can easily find the regularity of their distribution and arrangement. Namely: black keys is a group of two and a group of three.

2. The whole keyboard is basically composed of seven Arabic numerals "1 2 3 4 5 6 7" located on the "central 1(C)" white key. These seven Arabic numerals are also called notes.

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