1. Paragraph repetition marks. If there is a termination line before and a colon after the termination line, the section between the two repetition marks will be repeated; if there is no repetition mark before, it will be repeated from the beginning.

2. D.C. mark. The D.C. notation is the abbreviation of the foreign language Da Capo, which means "repeat from the beginning" or "do it again". When you see the D.C. mark in the score, start playing from the beginning. D.C means repeating from the first measure (generally no small repeats are performed), repeating to the end of Fine in the middle (or jumping to Coda if there is a jump mark).

3. D.S. mark. If the repeated position is not at the beginning of the first part of the music, a "※" mark will be used to indicate the repeated position, and a "D.S." or "※" mark will be marked at the end of the second part.

4. Repeatedly jump marks. The repeat skip mark is a supplement to the paragraph repeat mark. When two sections of music are different, it is necessary to use repeated skip marks to mark the different sections, and when playing the second section, skip the part marked with the first section and play the part of the second section directly. music.

Extended information:

Other symbols in music theory knowledge:

1. Moving octave marks. Use 8 ∣ to record it on the top of the staff, and write it above the staff, which means that the sound within the dotted line range is moved an octave higher; use 8 ∣ to record it below the staff, which means it is moved an octave lower.

2. Repeat the octave mark. Use the number 8 above or below a note to indicate that the note is repeated an octave higher or lower. If the octave is repeated over a long period of time, Con8 ∣ is recorded above the note or Con8 ∣ is recorded below the note, which means that the note within the dotted line should be repeated an octave higher or an octave lower.

3. Long rest mark. Mark a long rest on the third line of the staff and write down the number of bars you want to rest.

4. Tremolo mark. Indicates one note or a chord, two notes or two chords alternating quickly and evenly. Marked with slashes, the number of slashes is the same as the number of symbols.