Music postgraduate entrance examination majors mainly include the following directions:

1. Musicology: This is the main major for music postgraduate entrance examination, focusing on the study of the nature, laws and historical development of music. Including music theory, music aesthetics, music criticism, music education and other directions.

2. Composition and composition technology theory: This major mainly studies music creation methods and techniques, including melody creation, harmony, musical form, orchestration, etc.

3. Music performance: This major mainly studies the performance techniques and performing arts of various musical instruments, including piano, violin, cello, orchestral music, etc.

4. Music education: This major mainly studies the theories and methods of music education, including music teaching methods, music psychology, music teaching materials and teaching methods, etc.

5. Music therapy: This major mainly studies the impact and role of music on people's physical and mental health, including music therapy, music psychology, music physiology, etc.

6. Music technology: This major mainly studies the technological applications of music, including music recording technology, music production technology, music information retrieval technology, etc.

7. Ethnomusicology: This major mainly studies the music culture of various ethnic groups, including ethnic music theory, ethnic music history, ethnic music creation, etc.

The above are the main majors for postgraduate entrance examinations in music. Each major has its own unique research direction and employment prospects. Candidates can choose according to their own interests and goals.