A composition for one to four instruments, one of which is usually a keyboard instrument, usually consisting of three or four independent movements varying in key, mood, and tempo.

• 奏鸣曲:由一种到四种乐器演奏的乐曲,其中一种通常为键盘乐器,通常由三个或四个独立的乐章构成,这些乐章在调、调式及速度上各不相同。