1. Echo
Echo is decorated with the main tone. It is a melody type composed of four or five tones. It is divided into two types: smooth tones and reverse tones. kind. The smooth tone consists of four tones, starting from the upper auxiliary tone to the main tone, then to the lower auxiliary tone and the main tone.
2. Appropriate tone
Appropriate tone refers to the sound attached before and after the main tone. It is one of the commonly used decorative sounds on musical instruments. Sometimes it is in front of the main tone, and sometimes it appears behind the main tone.
3. Boeing
Bones are ornamental sounds that start from the main note and fluctuate rapidly upward or downward between adjacent notes. The sound is formed by adding a short auxiliary sound above or below the two main sounds.
4. Lower tone
Lower tone is a decorative note that fluctuates rapidly between the main note downward and the adjacent notes. There can be a diacritical mark under the mark. Indicates the rise or fall of the auxiliary sound.
Extended information:
Related introduction to Yiyin:
Yiyin is one of the commonly used decorative sounds on bamboo flutes, pianos and other musical instruments. It is generally divided into two types: single appropriation and compound approximation. Appropriate use of appoggio in the music according to the needs of the content. Appropriate sounds are divided into long and short grace sounds, or front and back grace notes. The ornamentation sound in front of the main tone is called "front appliqué", and the ornamentation sound behind the main tone is called "back appliqué".
This small note composed of two or more sounds appearing together and notated with sixteenth notes is called "complex appropriation". A small note added to the upper left corner of a note is called an appropriation note. Add two horizontal lines below the minor note and connect it to the original note with an arc. If there are more than two small notes added to the upper left corner of a note, they are called compound appropriations, and arcs are also used to connect them with the original note.
Reference: Baidu Encyclopedia - Yiyin