The clarinet is a single-reed musical instrument in the woodwind family, with a nearly cylindrical bore and a flared bell.
Clarinets comprise a family of instruments of differing sizes and pitches. The clarinet family is the largest woodwind family, ranging from the BBâ™ contrabass to the Aâ™ piccolo. The Bâ™ soprano clarinet is the most common type, and is the instrument usually indicated by the word "clarinet".