BB♭ Sousaphone

G♭3 on the BB♭ Sousaphone

Written G♭3. Tap the diagram to hear it.

G♭3
8th partial
Written G♭3 on the bass staff

G♭3 is the 8th partial with valves 2 and 3, 4 semitones below open B♭3. Up here the slots are only a step apart, so hear the note before you play it. This high note is rare in sousaphone parts; reach it with air speed and save your chops for the show.

About this note

G♭3 is the 8th partial with valves 2 and 3, 4 semitones below open B♭3. Up here the slots are only a step apart, so hear the note before you play it. This high note is rare in sousaphone parts; reach it with air speed and save your chops for the show.

  • Primary fingering: Valves 2 + 3
  • Written pitch: G♭3
  • Sounding frequency: 185.00 Hz
  • Harmonic partial: 8 — the valves set the tube length, but your air and embouchure select the partial.

BB♭ Sousaphone fingering data last updated . Every diagram here, in the printable PDF and in the chart image comes from one dataset, so the paper and the screen cannot disagree.