The 形状 and 结构 of one or a group of many 声 形（曲）式 might refer to the 形状 and 结构 of individual 声 or of an 整体 作品 It is a 术语 used to 描述 形状 and complexes of 声 so as to be able to 解释 compositionally how the 形状 of a 作品 of 樂/乐 progresses