Woodwind instrument parts and accessories

sound producing part of some musical instruments (including free reeds)

part of some woodwind instruments

opening in the body of a wind instrument

device which holds a reed onto the mouthpiece of a single-reed instrument

thumb|right|Bassoon Bocal The bocal is used by inserting the cork end into the instrument (in this case a bassoon). The prepared reed is then placed on the other end of the bocal.

thumb key on a clarinet to raise the pitch a twelfth into the high register