SCALE · ON BASSOON (TENOR CLEF)
C♯ Major
The bright, stable home of common-practice tonality.
Tempo120 bpm
Audio source: tonejs-instruments by Nick Brosowsky (MIT)
Related scalesDiatonic chord harmonisation Same scale, other instruments Same scale, other tonics Modes built on this tonic Compare with Theory reference
RelativeA♯ Natural MinorSame seven notes, tonic on the 6th degree — your access to the related minor key.ParallelC♯ Natural MinorSame tonic, the parallel minor — the deepest mode flip in tonal music.Up a fifthG♯ MajorOne sharp brighter on the circle of fifths.Up a fourthF♯ MajorOne flat darker on the circle of fifths.One note differentC♯ LydianRaise the 4th — the bright, floating Lydian colour.One note differentC♯ MixolydianLower the 7th — folk, blues-rock, Celtic vocabulary.SubsetC♯ Pentatonic MajorFive notes from the same scale — the bedrock pentatonic.ExoticC♯ Harmonic MajorBorrow the ♭6 from minor — operatic edge, IV / iv6 colour.
Questions
What notes are in the C♯ Major scale?
The C♯ Major scale uses the notes C♯, D♯, E♯, F♯, G♯, A♯, B♯ (one octave; the pattern repeats at higher registers).
What chords work over C♯ Major?
The diatonic chords of C♯ major: C♯ major, ii minor, iii minor, IV major, V major (or V7), vi minor, vii°. Strong cadences use IV→V→I.
How do I finger C♯ Major on Bassoon (tenor clef)?
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 Major scale?
The bright, stable home of common-practice tonality.