SCALE · ON FRENCH HORN
F♯ 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
RelativeD♯ Natural MinorSame seven notes, tonic on the 6th degree — your access to the related minor key.ParallelF♯ Natural MinorSame tonic, the parallel minor — the deepest mode flip in tonal music.Up a fifthC♯ MajorOne sharp brighter on the circle of fifths.Up a fourthB MajorOne flat darker on the circle of fifths.One note differentF♯ LydianRaise the 4th — the bright, floating Lydian colour.One note differentF♯ MixolydianLower the 7th — folk, blues-rock, Celtic vocabulary.SubsetF♯ Pentatonic MajorFive notes from the same scale — the bedrock pentatonic.ExoticF♯ Harmonic MajorBorrow the ♭6 from minor — operatic edge, IV / iv6 colour.
Questions
What notes are in the F♯ Ionian scale?
The F♯ Ionian scale uses the notes F♯, G♯, A♯, B, C♯, D♯, E♯ (one octave; the pattern repeats at higher registers).
What chords work over F♯ Ionian?
The diatonic chords of F♯ major: F♯ major, ii minor, iii minor, IV major, V major (or V7), vi minor, vii°. Strong cadences use IV→V→I.
How do I finger F♯ 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.