1A meter with two beats per measure is called a duple meter, and the two types of duple meter are simple duple meter and compound duple meter

2.triple meter, also known as triple time) is a musical metre characterized by a primary division of 3 beats to the bar, usually indicated by 3 (simple) or 9 (compound) in the upper figure of the time signature, with 3. 4, 3. 2, 3. 8 and 9. 8 being the most common

3.Duple metre is a musical metre characterized by a primary division of 2 beats to the bar, usually indicated by 2 and multiples or 6 and multiples in the upper figure of the time signature, with, and being the most common examples. Shown below are a simple and a compound duple drum pattern