There are many techniques for creating music, here are some of them:

-Harmony and chords: This is one of the most basic techniques in music composition. Harmony is the sound effect of different notes together, while chords are musical elements made up of multiple notes.

-Rhythm: Rhythm is an important part of music, which determines the rhythm and beat of the music.

-Music form: Music form is the basic framework in music creation, which determines the structure and form of music.

-Melody and theme: Melody is the most familiar part of music. It can convey emotions and thoughts, and can also become the theme of musical works.

-Variation: Variation is a change and expansion of melody, harmony and rhythm. By changing these elements, new musical effects can be produced.

-Color and sound effects: Color and sound effects can give different emotions and atmospheres to musical works, such as using different instruments, timbres and sound effects.

-Counterpoint: Counterpoint refers to the technique in music creation where multiple melodies are performed at the same time, echoing and complementing each other.