fuaranScale Mastery
SCALE · ON TROMBONE

F𝄪 Altered

All four altered tensions — ♭9 ♯9 ♯11 ♭13 — over a dominant 7th. The 7th mode of melodic minor.

MEIMIDIHumdrum
Choose a root
Meter:Octave per barCrotchets in 4/4Quavers in 4/4Triplets in 4/4
Engraved by Verovio 6.2.0-43f8060 5 title F𝄪 Altered
Engraved by Verovio 6.2.0-43f8060 2 4 6 8 title F𝄪 Altered
Verovio
Tempo120 bpm

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

FingeringFollows the scale as it plays — written pitch, matches the staff
F𝄪1234567partial 2
Harmonic seriesTube of the tonic fingering — F𝄪 sounds partial 2
partial 1 — G1 (+0¢)1partial 2 — G2 (+0¢)2partial 3 — D3 (+2¢)3partial 4 — G3 (+0¢)4partial 5 — B3 (-14¢)5partial 6 — D4 (+2¢)6partial 7 — F4 (-31¢)7-31¢partial 8 — G4 (+0¢)8partial 9 — A4 (+4¢)9partial 10 — B4 (-14¢)10partial 11 — C♯5 (-49¢)11-49¢partial 12 — D5 (+2¢)12
Related scales
Diatonic chord harmonisation
Same scale, other instruments
Same scale, other tonics
Modes built on this tonic
Compare with
Theory reference
Questions
What notes are in the F𝄪 Altered scale?

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

What's the Altered scale formula?

The Altered scale follows the interval pattern H W H W W W W, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on F𝄪 to get the F𝄪 Altered scale.

What chords work over F𝄪 Altered?

Altered works over V7alt — ♭9, ♯9, ♯11, ♭13. The 7th mode of melodic minor; resolves down a half step to the I chord.

How do I finger F𝄪 Altered on Trombone?

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 Altered scale?

All four altered tensions — ♭9 ♯9 ♯11 ♭13 — over a dominant 7th. The 7th mode of melodic minor.