The Phrygian Menace
A minor chord, and the major chord a half step above it. Those two chords a semitone apart are the most threatening pair in common use, which is why metal, flamenco and every film score about an approaching army ends up here.
- 2 chords
- a half step apart
- the menace
same family
The progression
i - bII
Why it works
Every other common progression moves the bass by a third, a fourth or a fifth. This one moves it by a half step, the interval your ear reads as tension rather than travel. The bII also contains the flat second degree, which leans down onto home with real force. So the pair is simultaneously the closest possible move and one of the most unstable, and that contradiction is what sounds like threat.
Hear it in context
Three of our own examples: the pair as a slow metal riff, as a flamenco strum and as a film-score swell.
Make it yours
- Play the bII as a full major chord
It is the major quality against the minor home that does the damage.
- Use the Andalusian cadence for the long version
i - bVII - bVI - V is the same colour stretched over four chords.
- Keep the home note ringing
Hold the tonic underneath both chords and the half step grinds against it.
When to reach for it
For menace, for flamenco, for anything that needs to sound ancient and dangerous at the same time.
When to leave it alone
When you want unease without drama. This pair is not subtle; for something quieter a minor pendulum will do more with less.