Do you know accidental of digital piano? As a piano learner, i think it is required to have a basic knowledge of digital piano, among them, the accidental shall be into our attention. Accidental is mainly used for the situation when we want to increase, low down, or restore the sound level, there are five kinds of accidentals in all. The usage of accidental has two types. One is used as signature, the accidental will be all written in front of the stave to show the exact loudness. The other usage is deployed as temporary accidental. What shall be noticed is that the temporary accidental can only be effective for the note that is after the accidental of the the voice part, within the section and has the same loudness. The word can be indicated as four meanings: 1.The accidental can only control the sound after it, and all other sounds before it is out of his control; 2.The sounds that are not be contained within the section will be ignored, but the sounds that belongs to ...