Clarinet · Altissimo register
Clarinet fingering for B♭6 / A♯6
Thumb hole, left hand 2-3, register key, G♯ key (side of left index), C♯/G♯ key (left pinky), A♭/E♭ key (right pinky). Basic.
What it sounds like
| Instrument | Sounding pitch | Frequency (A4 = 440 Hz) | |
|---|---|---|---|
| B♭ clarinet | A♭6 | 1,661.22 Hz | |
| A clarinet | G6 | 1,567.98 Hz | |
| E♭ clarinet | D♭7 | 2,217.46 Hz | |
| Bass clarinet | A♭5 | 830.61 Hz |
Tip for the altissimo register
Altissimo notes need fast, focused air and a slightly higher tongue position (think 'ee'). The left index finger lifts as a vent — slide it rather than jumping to keep slurs clean.
Frequently asked questions
How do you play B♭6 (A♯6) on the clarinet?
Standard fingering: Thumb hole, left hand 2-3, register key, G♯ key (side of left index), C♯/G♯ key (left pinky), A♭/E♭ key (right pinky). Basic.
What does written B♭6 sound like on the clarinet?
B♭ clarinet: A♭6 (1661.2 Hz); A clarinet: G6 (1568.0 Hz); E♭ clarinet: D♭7 (2217.5 Hz); Bass clarinet: A♭5 (830.6 Hz).
Are there alternate fingerings for B♭6?
Yes — 1 alternate: (1) Thumb hole, left hand 1-2-3, right hand 1-2-3, register key, C♯/G♯ key (left pinky), right F/C key (pinky). Alternative.