5/4 card is a mixed beat, and 4/5 beat is also called duplicate beat, which is the superposition of two beat types. There are 5/8 and 7/8 beats. There are generally two kinds of four or five beats: one is 2/4+3/4, and the other is 3/4+2/4. It depends on the melody of the score. The specific beat is 1, 2, 1, 2, 3 or 1, 2, 3, 1, 2.

Basic meaning

The cycle of strong beat and weak beat in each bar is called double beat; The cycle of strong beat, weak beat and weak beat is called triple beat. A symbol indicating the time length and quantity of the basic unit beat in each bar is called the time signature. The number above the time signature indicates the number of beats in each bar, and the number below indicates the duration of each beat.

For example, 2/4 means that there are 1 beats in a quarter note, and each bar has 2 beats. The actual time of the time value in the time signature should depend on the speed of the music mark. In different beat types, only one beat in each bar is called single beat, such as 2/4 and 2/8 are single 2 beats, and 3/4 and 3/8 are single 3 beats. A beat with one strong beat and two strong beats in each bar is called double beat.