Duple meter (or duple metre, also known as duple time) is a musical metre characterized by a primary division of 2 beats to the bar, usually indicated by 2 and multiples (simple) or 6 and multiples (compound) in the upper figure of the time signature, with 2/2 (cut time), 2/4, and 6/8 (at a fast tempo) being the most common examples. Though it mus...