Why Does My Clarinet Squeak? 7 Common Causes

Author: Axiom Music  Date Posted:6 October 2026 

AXIOM MUSIC / LEARN & EXPLORE

Why Does My Clarinet Squeak? 7 Common Causes

If you are learning clarinet, an unexpected squeak can be frustrating. If you are wondering why does my clarinet squeak, there are several common causes, most of which are easy to investigate.

why does my clarinet squeak - beginner playing clarinet

Why Does My Clarinet Squeak When I Change Notes?

An uncovered tone hole is a common cause of an unexpected squeak. Use the soft pads of your fingers to seal the holes completely. When changing notes, aim to move the required fingers together so a hole is not accidentally left open.

why does my clarinet squeak - finger placement on clarinet
A closer look at the instrument

Check the Reed and Mouthpiece

A chipped, cracked or poorly positioned reed may not vibrate reliably. Check the thin tip for damage, align the reed carefully on the flat face of the mouthpiece and secure it with the ligature without overtightening. A cane reed generally needs to be moistened before playing.

why does my clarinet squeak - clarinet reed and mouthpiece
Understanding the details

Embouchure and Air Support

Your embouchure is the way your lips and mouth support the mouthpiece. Biting too hard can restrict the reed, while insufficient support can make notes unstable. Keep a comfortable seal and blow with steady, supported air rather than suddenly forcing more air through the instrument.

How Much Mouthpiece Should Be in Your Mouth?

Too little mouthpiece can restrict the reed; too much can make it difficult to control. A teacher can help find a comfortable position for your particular mouthpiece and reed combination.

Could the Clarinet Need Repair?

If squeaks consistently affect particular notes even after checking technique and trying a sound reed, a leaking pad or misaligned key may be involved. Do not bend keys yourself; have the clarinet checked by a qualified repairer.

A Simple Troubleshooting Routine

Check your finger seals, inspect and moisten the reed, confirm its alignment, relax excessive jaw pressure and try a long, steady note. Change one thing at a time so you can identify what actually helps.

For further information about these instruments, see the Axiom Music instrument range.