Clarinet in Bb Range
The comfortable playing range of the Clarinet in Bb spans from C3 to Ab5 (concert pitch). The written range is D3 to Bb5.
Comfortable Range
Clarinet in Bb comfortable range: C3–Ab5
Written Range
As a transposing instrument in Bb, the Clarinet in Bb is written D3 to Bb5. When played, these notes sound a Bb interval lower (or as specified by the transposition).
Clarinet in Bb written range: D3–Bb5
Extended Range
Advanced players can extend the range of the Clarinet in Bb to C3–Ab6 using extended techniques.
Clarinet in Bb extended range: C3–Ab6
Clef
The Clarinet in Bb is primarily notated in the treble clef.