Final answer:
Idiophones are self-sounding musical instruments that produce sound through their own vibrations. Examples include bells, xylophones, cymbals, and maracas.
Step-by-step explanation:
Idiophones are a type of musical instrument that produce sound through their own vibrations without the need for strings, membranes, or tubes. These instruments often have a solid body that can be struck, shaken, or scraped to produce sound. Some examples of idiophones include bells, xylophones, cymbals, and maracas.