Clarinet · Throat register
Clarinet fingering for B♭4 / A♯4
Register key, A key. Basic — A key plus register key.
What it sounds like
| Instrument | Sounding pitch | Frequency (A4 = 440 Hz) | |
|---|---|---|---|
| B♭ clarinet | A♭4 | 415.30 Hz | |
| A clarinet | G4 | 392.00 Hz | |
| E♭ clarinet | D♭5 | 554.37 Hz | |
| Bass clarinet | A♭3 | 207.65 Hz |
Tip for the throat register
The throat tones are naturally weaker and brighter. Try resting right-hand fingers down (or using side-key fingerings) to add resonance and steadiness without changing the pitch much.
Frequently asked questions
How do you play B♭4 (A♯4) on the clarinet?
Standard fingering: Register key, A key. Basic — A key plus register key.
What does written B♭4 sound like on the clarinet?
B♭ clarinet: A♭4 (415.3 Hz); A clarinet: G4 (392.0 Hz); E♭ clarinet: D♭5 (554.4 Hz); Bass clarinet: A♭3 (207.7 Hz).
Are there alternate fingerings for B♭4?
Yes — 1 alternate: (1) A key, side trill key 2. Side-key B♭: clearer tone, avoids the register key.