Tuba en Si♭
- longName: B♭ Tuba
- shortName: B♭ Tb.
- description: B♭ Tuba
- musicXMLid: brass.tuba
- clef: F
- transposingClef: not set
- concertClef: not set
- barlineSpan: 1
- aPitchRange: 28-58
- pPitchRange: 22-72
- transposeDiatonic: not set
- transposeChromatic: not set