“破工”是唢呐演奏的一种技巧,唯东北唢呐独有。它声音嘶裂、音色燥炸,音量顿时增大,产生急迫,不安之感。“破工”是筒音(假定筒音为5)通过——超吹,得到高出筒音三度(即7)的和音5、7。它产生于唢呐碗及吹奏者气息。由于东北唢呐碗的形制长于他处唢呐碗的五分之一并细于其碗柱,发声后能在碗身的 “Broken down” is a technique played by the na, only the northeast suona unique. It sounds cries, tweeted sound, the volume suddenly increased, resulting in an urgent, uneasy feeling. “Broken down” is the sound of the drum (assuming the sound of the drum is 5) Pass-blow, resulting in a harmony of 5,7 above the third (7). It is produced in the suona bowl and the player breath. As the shape of the northeast bowl of na na bowl longer than one-fifth of the bowls and fine bowl, after the sound can bowl body