What are examples of the classification idiophone A.Finger cymbals B.Timpani C.Viola D.Maracas?

Examples of the classification idiophone include A. finger cymbals and D. maracas. Idiophones produce sound through the vibration of the instrument itself, without the need for strings or membranes. Finger cymbals are struck together to create sound, while maracas are shaken to produce rhythmic noise. Timpani and viola, on the other hand, are classified as membranophones and string instruments, respectively.