No. head of one kind trombone. Commonly known as “Ai toot.” Popular in Guangdong Chaozhou, Shantou area. For opera, Han Ju, West Qinling drama (popular in eastern, southern area) accompaniment. As a characteristic effect instrument for opening drums, generals expedition, scenes of war or the place of execution, may render heighten the atmosphere.
No. head with brass, can be active by the retractable three brass from sockets. The bottom of the bell is bent upward, length 112 cm, having a mouthpiece disc diameter of 5.5 cm, the center is a blow hole. Bell diameter 12 cm. When playing, the tube body diagonal move. Mouthpiece close to the mouth, with fine reduced airflow control pitch. Can blow tube sound two octaves overtones.
