is a fast performance effect of equal pitch (8 notes per beat) which means that this sound is to be played into 32-minute notes.

If the following is the homonym fast playing effect of playing two small apostrophes into 16 notes (4 notes per beat).

The electronic piano is one of the reasons why it is loved by music lovers because of its portability. Therefore, attention should be paid to avoid rain erosion and external impact during handling, and it should be protected by special piano covers and boxes.