The full score of the four tones in Western music typically refers to the complete set of pitches that make up a scale. In the context of Western music, the four tones are the first four notes of a diatonic scale, which is the most common scale used in Western music. The full score of these four tones is commonly known as the "major scale" or "diatonic scale." It consists of the following pitches: C, D, E, and F.

The major scale is the most basic and fundamental scale in Western music theory. It is formed by a sequence of whole and half steps, which are the building blocks of all Western scales. The full score of the four tones in a major scale is as follows:

C (C4, middle C on a standard piano)

D (D4)

E (E4)

F (F4)

This sequence of pitches is the foundation for all major scales, which are used in various musical compositions and genres. The major scale is characterized by its bright and cheerful sound, and it is often used to convey a sense of happiness or optimism.

The reason why the major scale is considered the full score of the four tones is due to its simplicity and versatility. It provides a clear and consistent framework for creating melodies and harmonies. The major scale is also the basis for other scales, such as the minor scale, which is derived from the major scale by lowering the third and seventh degrees.

According to data from the Music Theory Online website, the major scale is the most frequently used scale in Western music. It is the default scale for many compositions and is often used as a starting point for improvisation and composition. The major scale's popularity can be attributed to its harmonious sound and its ability to evoke a wide range of emotions.

In conclusion, the full score of the four tones in Western music is the major scale, consisting of the pitches C, D, E, and F. This scale is fundamental to Western music theory and is widely used in various musical compositions and genres. Its simplicity and versatility make it a cornerstone of musical expression.