Clarinet · Altissimo register
Clarinet fingering for C♯6 / D♭6
Thumb hole, left hand 2-3, right hand 1-2, register key. Basic — first altissimo note; left index lifted.
What it sounds like
| Instrument | Sounding pitch | Frequency (A4 = 440 Hz) | |
|---|---|---|---|
| B♭ clarinet | B5 | 987.77 Hz | |
| A clarinet | A♯5 | 932.33 Hz | |
| E♭ clarinet | E6 | 1,318.51 Hz | |
| Bass clarinet | B4 | 493.88 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 C♯6 (D♭6) on the clarinet?
Standard fingering: Thumb hole, left hand 2-3, right hand 1-2, register key. Basic — first altissimo note; left index lifted.
What does written C♯6 sound like on the clarinet?
B♭ clarinet: B5 (987.8 Hz); A clarinet: A♯5 (932.3 Hz); E♭ clarinet: E6 (1318.5 Hz); Bass clarinet: B4 (493.9 Hz).