Each level of the music theory examination covers different music theory knowledge, including notes, rhythm, mode, chord, harmony, melody and so on. From Grade One to Grade Two, students mainly learn basic music scores, notes and rhythms, and at the same time begin to get in touch with some simple concepts of music theory. Grade three to grade five is the key stage of music theory examination, and students begin to learn mode, chord, harmony and other knowledge in depth, which is the basis for subsequent study. Band 6-8 pays more attention to the study of melody and form, which is very important for understanding and analyzing music.