2. Brass, trumpet, French horn (French horn), trombone and tuba. Brass instruments are instruments that cause lip vibration after blowing into the mouthpiece, also known as "labrosones", which literally means "instruments that vibrate lips" (Baines, 1993). In order to change the pitch of brass instruments, it is necessary to press the keys or use the sliding tube to change the length of the tube. The airflow blown by the player changes the vibration frequency of the lips.
3. Woodwind instruments, piccolo, flute, oboe, clarinet, English pipe, bassoon and saxophone. Woodwind instruments got their name because they were originally made of wood, but now many woodwind instruments are also made of metal and plastic. Woodwind instruments have a long history. Generally speaking, the primitive flute made by ancient humans by drilling holes in the leg bones of animals is the ancestor of woodwind instruments. Modern woodwind instruments are developed from reed flute, flute, flute and other instruments used in folk music in various countries.
Plucked music, harp and harp are one of the oldest plucked instruments in the world. The early harp had only strings arranged according to the natural scale, and its tonality was limited. The modern harp was designed by French piano manufacturer S. Ellar in 18 10. It has 47 strings with different lengths, and 7 pedals can change the tone of the strings and play all the tonality.
5. Percussion, timpani, triangle, xylophone, piano, castanet, sand hammer, tambourine, army drum, cymbal (big cymbal, small cymbal, etc.). ), wooden fish, sand, cymbals, etc. All musical instruments (except stringed instruments) that make sound by tapping or knocking are collectively called percussion instruments. In China traditional opera, it is called the martial arts field. Percussion music in Beijing Opera is mainly composed of drums (sandalwood, Dan Pigu), big gongs, cymbals and small gongs.