Flûte à bec Soubasse
- longName: Greatbass Recorder
- shortName: Gb. Rec.
- description: Greatbass Recorder
- musicXMLid: wind.flutes.recorder.great-bass
- clef: F8va
- transposingClef: not set
- concertClef: not set
- barlineSpan: 1
- aPitchRange: 48-69
- pPitchRange: 48-72
- transposeDiatonic: not set
- transposeChromatic: not set