Elementary, intermediate and advanced classes. At the same time, there are special performance skills training classes, vocal music singing classes and professional performance classes, which can meet the learning needs of different levels. Qidong fishing drum is a folk musical instrument, which is generally made of bamboo, cowhide or animal skin. It is round, with a rich and melodious voice, and can convey the distance. It is often used for signal transmission between rural and suburban fishermen.