C♯ mixolydian (C♯, D♯, E♯, F♯, G♯, A♯, B) has six sharps in its key signature and its flattened 7th (B natural) creates a bluesy tension over C♯7 chords. It is uncommon in pop but valued in jazz and fusion for dominant chord improvisation. C♯ mixolydian connects to the F♯ major key family.
Quality
Major
Defining Interval
Major 3rd & minor 7th
Mood
Bluesy, dominant
Common Genres
RockBluesFunkJam Bands
Harmony
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Characteristic Sound
Characteristic sound of C# Mixolydian
The flattened 7th is Mixolydian’s signature — it turns the major scale’s leading tone into a bluesy, unresolved dominant sound. This single interval drives rock, blues, and funk vamps and makes the dominant I⁷ chord possible.
The seven diatonic modes — parallel modes starting from the same root with different interval patterns. Each mode has a unique character derived from the major scale.
The diatonic chords in C# Mixolydian are: C#, D#m, Fdim, F#, G#m, A#m, B. These are the chords built naturally from each degree of the scale.
What is the Mixolydian?
C♯ mixolydian (C♯, D♯, E♯, F♯, G♯, A♯, B) has six sharps in its key signature and its flattened 7th (B natural) creates a bluesy tension over C♯7 chords. It is uncommon in pop but valued in jazz and fusion for dominant chord improvisation. C♯ mixolydian connects to the F♯ major key family.
What notes are in the C# Mixolydian?
The C# Mixolydian contains the notes: C#, D#, E#, F#, G#, A#, B. This is a 7-note scale starting from C#.
How many chords does the C# Mixolydian have?
The C# Mixolydian produces 7 diatonic chords, one built on each degree of the scale: C#, D#m, Fdim, F#, G#m, A#m, B.
What is the formula for the Mixolydian?
The Mixolydian follows the interval formula: W-W-H-W-W-H-W (W = whole step, H = half step).
Position in circle of fifths
C# is at the 7 o'clock position. Related keys: Ab (dominant), F# (subdominant), Bb (relative minor), Eb (supertonic), B (subtonic).