Scale

A scale is a series of musical notes put into order

Types of scales
Different types of scales exist. There is the major scale.

Minor scale
There are three types of minor scales:
 * Natural minor - The sixth mode (Aeolian) of a major scale, it can be created by flattening the 3rd, 6th, and 7th notes
 * Harmonic minor - It is like the natural minor scale, but with a normal 7th note.
 * Melodic minor - The only note of the scale that is flattened is the third.