fuaranScale Mastery
SCALE · ON TRUMPET IN BB

B♯ Diminished Half Whole

Octatonic — half-whole-half-whole. Modern jazz over dominant 7th chords; symmetric every minor 3rd.

MEIMIDIHumdrum
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Meter:Octave per barCrotchets in 4/4Quavers in 4/4Triplets in 4/4
Engraved by Verovio 6.2.0-43f8060 3 5 title B♯ Diminished (Half-Whole)
Engraved by Verovio 6.2.0-43f8060 2 3 4 5 title B♯ Diminished (Half-Whole)
Verovio
Tempo120 bpm

Playback sounds a major 2nd below the written notation — the instrument's concert (sounding) pitch.

Audio source: tonejs-instruments by Nick Brosowsky (MIT)

FingeringFollows the scale as it plays — written pitch, matches the staff
B♯123partial 2
Harmonic seriesTube of the tonic fingering — B♯ sounds partial 2
partial 1 — C3 (+0¢)1partial 2 — C4 (+0¢)2partial 3 — G4 (+2¢)3partial 4 — C5 (+0¢)4partial 5 — E5 (-14¢)5partial 6 — G5 (+2¢)6partial 7 — A♯5 (-31¢)7-31¢partial 8 — C6 (+0¢)8partial 9 — D6 (+4¢)9partial 10 — E6 (-14¢)10
Related scales
Same scale, other instruments
Same scale, other tonics
Modes built on this tonic
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Theory reference
Questions
What notes are in the B♯ Diminished Half Whole scale?

The B♯ Diminished Half Whole scale uses the notes B♯, C♯, D♯, D𝄪, E𝄪, F𝄪, G𝄪, A♯ (one octave; the pattern repeats at higher registers).

What's the Diminished Half Whole scale formula?

The Diminished Half Whole scale follows the interval pattern H W H W H W H W, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on B♯ to get the B♯ Diminished Half Whole scale.

What chords work over B♯ Diminished Half Whole?

Try chord pairings derived from the scale's third, fifth, and seventh degrees as roots — they share the most diatonic notes.

How do I finger B♯ Diminished Half Whole on Trumpet in Bb?

On brass, scales train embouchure + valve / slide coordination across the partials. Slow practice with a tuner reveals intonation tendencies (e.g., the 5th partial sharp on trumpet).

When would I use the Diminished Half Whole scale?

Octatonic — half-whole-half-whole. Modern jazz over dominant 7th chords; symmetric every minor 3rd.