The zero-based method of learning to compose music is as follows:

1. Study music theory: Understand the basic knowledge of music theory, such as notes, scales, chords and debugging. Learn how to read music and understand notes, rhythms and symbols in music scores.

2. Learning musical instruments: Choose a musical instrument, such as piano, guitar or keyboard, and learn basic playing skills. Mastering musical instruments can help you better understand music structure and harmony.

3. Listening and analyzing music: actively listening to various music works, including music of different styles and genres. Pay attention to tune, harmony, rhythm and arrangement skills, and analyze their structure and characteristics.

4. Learn digital sequencer (DAW) software: Digital sequencer software such as Logic Pro, Ableton Live or FL Studio is a common tool for composing and arranging music. Learn how to use these softwares to create and edit audio, make rhythm and harmony, etc.

Importance of composition:

In music creation, composition, lyrics and singing have their own importance. They all have an important influence on the overall effect of music. Composition is the basis of music, which determines the rhythm, melody and harmony of music.

Lyrics is to express the content of the song, express the singer's emotions and attitudes, and it is also an important way to get in touch with the audience. Singing is an important factor to integrate music, lyrics and the singer's emotions. Good singing can make the audience feel shocked and moved. Therefore, in music, composition, lyrics and singing all have their own importance and cannot be biased.