Music is something that sounds good to our ears when we hear it, but did you know that there is actually math behind it?
When we talk about music, one important thing that comes to mind is the musical scale. A musical scale is a collection of notes that sound good together when played in order.
Now, let's imagine we have a giant pizza. We want to cut it into equal slices. How many slices should we cut it into? One way to do it is to divide the pizza into 8 slices, but another way is to divide it into 12 slices.
Similarly, in music, we have different ways of dividing the sounds we hear. We can divide them into 8 notes or 12 notes, and these divisions are called scales.
The most common scale used is the 12-note scale, which is used in most Western music. But why 12 notes?
This is where the math comes in. 12 is a special number because it can be divided by 2, 3, 4, and 6. This means that if we divide our octave (which is the range of notes from one note to its higher or lower equivalent) into 12 equal parts, we'll get a set of notes that are evenly spaced and sound good when played in order.
These notes are named A, A#, B, C, C#, D, D#, E, F, F#, G, and G#. In between some of these notes, we have half-steps, which are also called "sharps" or "flats."
For example, if we start at A and go up to A#, we have a half-step. If we start at A and go up to B, we have a whole step.
This is why when you play a song, you will often see different notes being played, and these notes are related to the scale. Musicians use these scales to create melodies and harmonies that sound pleasing to the ears.
So, in summary, musical scales are a way of dividing sounds into different notes or pitches that sound good when played together. The 12-note scale is the most commonly used scale, and it is based on the math behind the number 12.