Where are the overtone keys of the clarinet?The overtone key of the clarinet, the sound hole behind the 16 keys of the instrument, is controlled by the left thumb.The overtone keys are high pitch keys, and the clarinet skills are done with both the hand and mouth to sound the clarinet, while the fingers control different sounds by controlling the keys in the upper and lower tubes.Clarinet can not be washed, cleaning the whistle can be removed and dry the water, the water in the pipe using the cloth through the pipe will be the inside of the water removal, skin pad water with water suction paper between the skin pad and the sound hole of the water, the surface of the clean cloth use along the pipe body gently wipe, pay attention not to damage the skin pad.The clarinet, also known as black or carat, also as clarinet in Taiwan (Clarinet, Italian Clarinetto, Spanish Clarinete, French Clarinette, German Klarinette in English), is known as the "orator" in the orchestra and the dramatic soprano in the woodwind.The high pitch area is loud and clear; the middle pitch area is rich in expression, pure timbre, clear and beautiful; the bass area is low, rich and plump, and is one of the most widely used instruments in the music family.The pipes of the instrument are all made of wood and divided into five sections.The reason for the five sections being made is solely for ease of repair and carrying.Because the air column is closed principle, the tube length is only half that of other wooden tubes.The clarinet has two tonalities: B and A tuning, both as shifting instruments.At present, Bem type (Boehm system) clarinet has become the universal standard type except De ao region.The oboe is different from the oboe.The oboe is a shifting instrument, the oboe is not a shifting instrument, the oboe uses two clarinet sandwiched together to sound, and the oboe uses a reed and flute hair sound.