BB♭ Sousaphone

D♭3 on the BB♭ Sousaphone

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

D♭3
5th partialBeginner note
Written D♭3 on the bass staff

D♭3 is the 5th partial with valve 2, 1 semitone below open D3. The 5th partial sits flat on every valved brass instrument, so keep the air moving and the pitch up. The fifth partial sits flat; keep the air moving so the note does not sag under the band.

About this note

D♭3 is the 5th partial with valve 2, 1 semitone below open D3. The 5th partial sits flat on every valved brass instrument, so keep the air moving and the pitch up. The fifth partial sits flat; keep the air moving so the note does not sag under the band.

  • Primary fingering: Valves 2
  • Written pitch: D♭3
  • Sounding frequency: 138.59 Hz
  • Harmonic partial: 5 — the valves set the tube length, but your air and embouchure select the partial.

Alternate fingerings for D♭3

  • 2-3: Valves 2 + 3. A 6th-partial fingering for the same note, a standard substitute when it is approached from above.

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.