Alright kiddo, time signature is like a clock for music. In music, we have something called beats or pulses, which are like the ticking of a clock. We count these beats in groups, just like counting numbers in a sequence.
The time signature tells us how many beats are in each group and what type of note gets one beat. It's like a fraction, we see two numbers stacked on top of each other, with a line in between them, like this: 4/4 or 3/4.
The top number tells us how many beats there are in each group. For example, if it's a 4, that means there are four beats in every group. The bottom number tells us what type of note gets one beat. For example, if it's a 4, that means a quarter note gets one beat.
Let's take an example, 4/4 time signature. This means that there are four beats in every group and a quarter note gets one beat. So, we count like this: 1, 2, 3, 4, then start again for the next group. You can clap your hands or tap your foot to keep track of the beats.
However, if we have a time signature of 3/4, that means there are three beats in every group and a quarter note gets one beat. We count like this: 1, 2, 3 and then start again for the next group.
So, kiddo, the time signature tells us how to count the beats in a song and how they are grouped together. It's like a secret code for musicians to help them stay on rhythm and groove together.