C Phrygian ♭4 Scale

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Summary

C Phrygian ♭4 contains 7 notes: C, D♭, E♭, F♭, G, A♭, B♭. It has 5 flats: D♭, E♭, F♭, A♭, B♭. The step pattern is H–W–H–W+H–H–W–W.

An unusual mode that looks extremely dark on paper but hides a secret: the b4 is enharmonically a major 3rd, creating an unexpected brightness lurking inside a Phrygian framework.

Theory

The formula is 1, b2, b3, b4, 5, b6, b7. The b4 is enharmonically equivalent to a major 3rd, so the scale actually contains both b3 and an enharmonic 3. This ambiguity between major and minor quality is its defining characteristic and a source of interesting interval paradoxes.

On the guitar

Primarily theoretical, but the hidden major 3rd can be exploited for brief moments of unexpected brightness in otherwise dark passages. Use it as a passing color in contemporary classical or avant-garde contexts.

Step pattern H – W – H – W+H – H – W – W