SCALE · ON COR ANGLAIS
B♭ 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: synthesised in-browser via Tone.js (MIT)
Related scalesDiatonic chord harmonisation Same scale, other instruments Same scale, other tonics Modes built on this tonic Theory reference
RelativeG Natural MinorSame seven notes, tonic on the 6th degree — your access to the related minor key.ParallelB♭ Natural MinorSame tonic, the parallel minor — the deepest mode flip in tonal music.Up a fifthF MajorOne sharp brighter on the circle of fifths.Up a fourthE♭ MajorOne flat darker on the circle of fifths.One note differentB♭ LydianRaise the 4th — the bright, floating Lydian colour.One note differentB♭ MixolydianLower the 7th — folk, blues-rock, Celtic vocabulary.SubsetB♭ Pentatonic MajorFive notes from the same scale — the bedrock pentatonic.ExoticB♭ Harmonic MajorBorrow the ♭6 from minor — operatic edge, IV / iv6 colour.
Questions
What notes are in the B♭ Ionian scale?
The B♭ Ionian scale uses the notes B♭, C, D, E♭, F, G, A (one octave; the pattern repeats at higher registers).
What chords work over B♭ Ionian?
The diatonic chords of B♭ major: B♭ major, ii minor, iii minor, IV major, V major (or V7), vi minor, vii°. Strong cadences use IV→V→I.
How do I finger B♭ Ionian on Cor Anglais?
On double reeds, scales train reed control + register changes + the half-hole / full-hole register transition. Slow practice exposes pitch instability the player can correct with embouchure.
When would I use the Ionian scale?
The major scale labelled as a mode — the pre-tonal bright default.