Assertion: small woodwind instrument | /r/MadeOf | clay
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text: a small woodwind instrument made of clay or plastic and is usually oval shaped; sometimes referred to as a "sweet potato" in the US; musician blows air into the mouth tube while covering and uncovering the various holes to produce notes; The ocarina has from 4 to 13 holes located in various positions on the side of the instrument.; created by the Italian Giuseppe Donati in the 1660s