The methods of producing changed music include: changes in musical form, changes in rhythm, changes in melody and harmony, changes in timbre, unusual dramatic changes, etc.

1. Changes in musical form: Musical form refers to the way elements and parts are combined in the structure of a musical work, usually consisting of patterns such as "theme-middle section-reproduction". By changing the elements and structure of the form, the music can undergo formal changes.

2. Rhythm changes: Rhythm is the marching beat in music. By controlling the speed of the rhythm, the distinctness of the beat and the change of the beat, echoes, cohesion and changes in the music can be produced.

3. Melody and harmony changes: The melody is the theme and main melody of music, and some measures of melody and harmony changes, such as pitch, scale, portamento, playing mode, timbre, etc. Changes in music can produce progressive emotional expressions similar to highs and lows.

4. Timbre changes: Timbre refers to the texture, color and characteristics of a specific sound, including the characteristics of musical instruments, special processing of the singer's voice and electronic instruments. At different stages of music development, by adjusting the timbre, the music can be made vivid, novel and rich.

5. Unusual dramatic changes: The use of surprising, sudden and unusual elements in music, such as sudden changes in pitch and increased complexity of harmonies, make the music produce strong dramatic changes. Express more three-dimensional emotions.

The definition of changing music

Changing music refers to the changes in various musical elements and forms that appear in musical works. These changes can be changes in melody, rhythm, harmony, timbre, form, speed, intensity, emotional expression, etc. Changes in music are unpredictable. In a musical work, various changes will appear to attract the audience's attention. Changes in music can make music more vital and expressive.

Through change, music is no longer monotonous and boring, but becomes more interesting, engaging, and more expressive of the musician's emotional embrace. Changes in melody can increase the expressiveness and charm of music, making it more infectious. Changes in rhythm can create different rhythms and dynamics, making the music more dynamic. Harmonic changes can add depth and complexity to the music, making it more affecting. The change of timbre can make the music performance richer and three-dimensional, and enhance the appeal of the music.