An orchestra is a large musical ensemble typically composed of a variety of instruments. Oboists (7 letters) are musicians who play the oboe, a double-reed woodwind instrument. Cellists (8 letters) play the cello, a bowed string instrument. Clarinets (9 letters) are single-reed woodwind instruments. Tubas (5 letters) are brass instruments with a deep sound. Violists (8 letters) play the viola, a bowed string instrument similar to the violin. Flautists (9 letters) play the flute, a woodwind instrument. All of these musicians are members of an orchestra.