C# Phrygian Dominant — Complete Guitar Scale Guide Overview C# Phrygian Dominant is a jazz scale containing 7 notes: C#, D, F, F#, G#, A, B. The formula 1 - b2 - 3 - 4 - 5 - #5 - b7 defines its interval structure. Phrygian with a major 3rd — 5th mode of harmonic minor. This scale belongs to the dark, expressive minor family and is commonly used in Flamenco, Middle Eastern, Jazz music. Music Theory The C# Phrygian Dominant scale uses the intervals Root (1), Minor Second (b2), Major Third (3), Perfect Fourth (4), Perfect Fifth (5), Minor Sixth (b6), Minor Seventh (b7). Starting from C#, each note is 1 - b2 - 3 - 4 - 5 - #5 - b7 semitones above the previous degree. The C# Phrygian Dominant scale is constructed using the interval formula 1 - b2 - 3 - 4 - 5 - #5 - b7, which means it contains the intervals Root (1), Minor Second (b2), Major Third (3), Perfect Fourth (4), Perfect Fifth (5), Minor Sixth (b6), Minor Seventh (b7) above the root C#. The notes are C#, D, F, F#, G#, A, B. Starting from the C# major scale (C#, D, D#, E, F, F#, G, G#, A, A#, B, C), the Phrygian Dominant scale modifies the major scale with b2, #5, b7 intervals to create its minor quality. Key characteristics: 5th mode of harmonic minor. b2 + major 3rd = Spanish. Sound & Character C# Phrygian Dominant sounds dark, melancholic, and introspective. The minor third (E) is the defining interval — one half step lower than a major third — creating a somber, emotional quality. The minor sixth (A) deepens the melancholic feel. The emotional feeling is one of depth, contemplation, and emotional seriousness. This scale family is essential for conveying sadness, introspection, and dramatic intensity. Musical Applications C# Phrygian Dominant is most commonly found in Flamenco, Middle Eastern, Jazz music. This scale is a natural next step after mastering the basics. Common uses include V7b9, bII - V7. Practice Recommendations Start with 5-minute sessions playing each note slowly and cleanly. Gradually increase to 10-minute metronome exercises, then 20-minute improvisation sessions over backing tracks. At 30 minutes, explore multiple fretboard positions and connect them smoothly. Record your practice to identify areas for improvement.