Bas-chalumeau
- longName: Bass Chalumeau
- shortName: B. Cha.
- description: Bass Chalumeau
- musicXMLid: wind.reed.chalumeau
- clef: F
- transposingClef: not set
- concertClef: not set
- barlineSpan: 1
- aPitchRange: 41-55
- pPitchRange: 41-58
- transposeDiatonic: not set
- transposeChromatic: not set