D.C. is a repeat sign in Italian: da capo, repeat from the beginning, which is a type of music repeat sign. Fine means ending.

D.C. is a music notation symbol that refers to playing again from the beginning, indicating that the movement will be played to the mark and then return to the beginning and repeat again. Functionally similar to Repeat, but Return can be used more flexibly.

The former plays again from the beginning and ends when the "Fine" mark is reached; the latter plays again from the beginning, then plays to the mark, and then jumps to the second mark to finish. Operas with this structure are called encore arias, and the repeated parts are usually decorated with ornaments.

Extended information

The symbolic function of the piano score

1. The flat mark (b) means to lower the pitch of the basic note level by a semitone. According to the position of the mark The lines may drop in pitch occasionally.

2. 3. The sharp sign (#) indicates that the pitch of the basic tone level is raised by a semitone, and the pitch is lowered according to the line or interval where the mark is located.

3. There is a semitone between the white keys E and F, B and C on the piano keyboard, so E can also be called F flat, F can also be called E sharp, B and C, and so on. The other white keys are all whole tones. The white keys form the C major scale. The C major scale has no sharps or flats.

4. Use D to do 1 (do), that is, to play a piece in D major. Naturally, you must follow the rules of the scale, so you must have black keys to adjust, because the black keys are related to Adjacent white keys are semitones. This is why different keys have different sharps and flats.

Baidu Encyclopedia—Music Repeat Marks