Clarinet in A
The A clarinet sounds a minor third lower than written and is preferred for flat keys. Orchestral composers often alternate between Bb and A clarinets depending on the key signature.
Transposing instrument: The Clarinet in A is written in A and sounds a minor third lower from written pitch.
| Instrument family | Woodwind |
| Clef | Treble |
| Concert pitch | No — transposes A |
| Transposition | A |
| Concert range | C#3–A5 |
| Written range | D3–Bb5 |
Playable Range
Comfortable range: C♯3–A5