Saxophone · Middle register register
Saxophone fingering for B♭5 / A♯5
Left hand 1, octave key, bis B♭ key. Bis B♭.
What it sounds like
| Instrument | Sounding pitch | Frequency (A4 = 440 Hz) | |
|---|---|---|---|
| Soprano sax (B♭) | A♭5 | 830.61 Hz | |
| Alto sax (E♭) | D♭5 | 554.37 Hz | |
| Tenor sax (B♭) | A♭4 | 415.30 Hz | |
| Baritone sax (E♭) | D♭4 | 277.18 Hz |
Tip for the middle register register
The octave key switches the left-thumb vent automatically between two holes. Middle D and E♭ can be unstable — keep a consistent voicing and don't bite.
Frequently asked questions
How do you play B♭5 (A♯5) on the saxophone?
Standard fingering: Left hand 1, octave key, bis B♭ key. Bis B♭.
What does written B♭5 sound like on the saxophone?
Soprano sax (B♭): A♭5 (830.6 Hz); Alto sax (E♭): D♭5 (554.4 Hz); Tenor sax (B♭): A♭4 (415.3 Hz); Baritone sax (E♭): D♭4 (277.2 Hz).
Are there alternate fingerings for B♭5?
Yes — 2 alternate: (1) Left hand 1, right hand 1, octave key. 'One and one' B♭. (2) Left hand 1-2, octave key, side B♭ key. Side B♭.