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Knowledge about music
Staff: five equidistant parallel horizontal lines used to record notes and rests.

Clef: A symbol that determines the name and height of the sound level between the lines and spaces of a staff. There are three clefs: treble clef, bass clef and alto clef (also called G, F and C clef, because they are derived from the letters G, F and C).

Spectrum table: A spectrum table with high (low, middle) clef is called high (low, middle) spectrum table or G(F, c) spectrum table.

Note: A symbol used to indicate the duration of a note.

Rest: a symbol used to indicate that the sound is still and paused.

Composition of notes: Fu Tou, Fukuoka and Fu Wei.

phonetic symbol/transcription

stop signal

Hourly value

whole note

Total rest time

Four beats

half note

Dichotomy rest

Erpai

quarter note

Quarter rest

A beat

trill

Rest at eight o'clock

Half beat

semiquaver

A 16-minute break

Quarter beat

demisemiquaver

32-minute break

Eighth beat

Point note (rest): The point written to the right of the note is called a point. Notes with dots (rests) are called dot notes (rests). Extend (pause) the duration of a note by half with dots.

Sustain line ""or "":when used on two or more notes with the same pitch, it means that they are going to sing (play) a note, and its duration is equal to the sum of the durations of these notes.

Expansion sign ""or "":1, indicating that the duration of notes or rests can be extended freely according to the needs of performance. 2. The extension sign in the first part indicates a short pause between the two parts. 3. The extended symbol indicates the end of the music on the double vertical line.

Ascending and descending marks: marks used to indicate the basic pitch.

1, sharp sign "":means to raise the original sound by a semitone.

2.Deck "":It means that the original sound is lowered by a semitone.

3. Recovery symbol "":indicates the recovery of the rising or falling sound.

4. Re-elevation "":refers to raising the original sound by a whole tone.

5. Re-downgrading "":It means that the original sound is lowered by a whole tone.

Note: In this section, the rising tone and falling tone are effective for the following tones with the same height. After crossing the bar line, if there is still a chromatic relationship, you need to write another mark, otherwise the table will be restored and there is no need to write the ""mark.

Repetition mark: used to indicate that part or all of the music is repeated.

1, the repetition of sound patterns in the section is replaced by slashes "/",and the number of slashes is equivalent to suffixes.

2. The whole section is marked with ""or ""repeatedly.

3. The repetition of two paragraphs is marked with ""or ""between two paragraphs.

4. ""means that the middle part of these two marks should be typed repeatedly. If you repeat from the beginning, the preceding ""sign can be omitted.

5. The ending mark is "1". If the repeated tunes have different endings, please use "1" at the first ending, and skip the repetition of "1".

Then "2"

Go back and repeat the mark:

(D.C.): Some pieces of music consist of three parts, some of which are exactly the same, and the third part can be replaced by a mark that turns back and forth when recording music.

Writing: Write "D.C." at the end of the second part, which means to repeat the singing from the beginning; Write "good" or "good" at the end of the first part, which means repeated ending.

(D.S.): If the repetition position is not indicated by ""at the beginning of the first part of music, mark "D.S." or ""at the end of the second part.

Octave mark:

Octave up sign "8-|": indicates that the tone in the dotted line moves up by octave.

Octave-down mark "8-|": It means that the sound in the dotted line moves down eight octaves when playing.

Repeat octave symbol "8": Write the number 8 on the upper (lower) side of the note, indicating that the pitch is repeated (low) octave. "Con 8-8-|" and "Con 8-|" can also be used to indicate long-term high octave or low octave repetition.

Staccato symbol ",",":indicates that this sound is staccato.

Duration mark: 1, "":It means that the notes with this mark keep their strength when singing, and try to keep the duration of the notes.

2. "":It means that the notes with this mark are slightly stronger and slightly separated when singing.

Arpeggio: Arpeggio is to play all the notes in the chord in turn from bottom to top.

Boeing: 1, Shun Boeing: Start the tonic, quickly enter the adjacent tone, and immediately return to the tonic.

2. Inverse Boeing: The tonic begins, enters the adjacent tone below very quickly, and returns to the tonic immediately.

3. Backward (backward) Boeing: Upper (lower) adjacent sounds appear twice in a row.

Reclining: 1, front leaning: one or more very short decorative notes sung before the tonic.

Tilt: One or more very short decorative notes sung after the tonic.

Tremolo "tr": It is formed by the rapid and even alternation of the tonic and its adjacent sounds.

Slip: Use curves or arrows to indicate ""or ""to indicate upward slide ""or ""