Tighten up your embouchure and Blow faster air.

an embouchure is the name given to the shape the lips make to produce an oraface the right shape, that when air passes through, the embouchure will buzz and the pitch of the buzz can be controlled by the tension from the surrounding muscles.

In general, embouchure is the use of facial muscles and the shaping of lips around or against the mouthpiece of a wind instrument, in order to create (a good) sound. The exact embouchure is very individual and its basic techniques depend on the type of instrument.

what do you mean..............

firth

mouth

embouchure