SCALE · ON FRENCH HORN
A𝄫 Ionian
The major scale labelled as a mode — the pre-tonal bright default.
Tempo120 bpm
Playback sounds a perfect 5th below the written notation — the instrument's concert (sounding) pitch.
Audio source: FluidR3_GM SoundFont (public domain)
Related scalesDiatonic chord harmonisation Same scale, other instruments Same scale, other tonics Modes built on this tonic Theory reference
RelativeF♭ Natural MinorSame seven notes, tonic on the 6th degree — your access to the related minor key.ParallelA𝄫 Natural MinorSame tonic, the parallel minor — the deepest mode flip in tonal music.Up a fifthE𝄫 MajorOne sharp brighter on the circle of fifths.Up a fourthD𝄫 MajorOne flat darker on the circle of fifths.One note differentA𝄫 LydianRaise the 4th — the bright, floating Lydian colour.One note differentA𝄫 MixolydianLower the 7th — folk, blues-rock, Celtic vocabulary.SubsetA𝄫 Pentatonic MajorFive notes from the same scale — the bedrock pentatonic.ExoticA𝄫 Harmonic MajorBorrow the ♭6 from minor — operatic edge, IV / iv6 colour.
Questions
What notes are in the A𝄫 Ionian scale?
The A𝄫 Ionian scale uses the notes A𝄫, B𝄫, C♭, D𝄫, E𝄫, F♭, G♭ (one octave; the pattern repeats at higher registers).
What chords work over A𝄫 Ionian?
The diatonic chords of A𝄫 major: A𝄫 major, ii minor, iii minor, IV major, V major (or V7), vi minor, vii°. Strong cadences use IV→V→I.
How do I finger A𝄫 Ionian on French Horn?
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 Ionian scale?
The major scale labelled as a mode — the pre-tonal bright default.