What is the time signature for common time?

The time signature for common time is 4/4. This means there are four beats in a measure, and the quarter note gets one beat. It is one of the most frequently used time signatures in Western music, providing a steady, regular rhythm that is easy to follow.

In 4/4 time, you can think of it as having four equal beats in each measure, which allows for a wide variety of rhythms and musical styles, making it highly versatile. This structure is foundational not only in classical music but also in popular music, rock, and jazz. The term "common time" itself is derived from its prevalence in many musical genres.

Other time signatures, such as 3/4 and 2/4, have different rhythmic feels and structures. For instance, 3/4 has three beats per measure and is often associated with waltzes, whereas 2/4 tends to have a march-like quality. 6/8, on the other hand, is a compound time signature with a different grouping of beats, typically found in certain forms of folk music and ballads.