Harmony has a rhythm too · From Zero to Mozart

You've got a strong sense of rhythm from tabla. Here's a place it pays off directly: the chords change on a pulse too. How often they change — and how that rate speeds up or slows down — is called the harmonic rhythm, and hearing it is a rhythm skill pointed at harmony.

Slow and fast

Slow harmonic rhythm — one chord per bar, or one chord for several bars. Calm, spacious.
Fast harmonic rhythm — two, three, four chords per bar. Busy, driving, urgent.

The melody can be rattling along in sixteenths while the harmony underneath changes only once a bar. They're two different rhythms happening at once — like a fast bol pattern over a slow theka.

92 bpm

Four bars, moving quavers in the melody — but the harmony changes only three times: I for two bars, then V, then I. That's a slow harmonic rhythm under a busy tune.

It speeds up into a cadence

A useful thing to listen for: as a phrase approaches its ending, the chords often change faster — one per bar becomes two per bar, then the final cadence chords land squarely on the strong beats. The quickening is a signal: we're arriving.

Try it

Try

Play the four-bar phrase above with a G drone on. For the first two bars the drone and the melody agree — one chord, slow. In bar 3 the melody (A, B, C, D) grinds against the G drone: that's the harmony changing to V, and you can hear the drone "go wrong" underneath. In bar 4 it settles back. You just tracked the harmonic rhythm by ear.

The usual mistake

Assuming the harmony changes every time the melody moves. It usually doesn't. Hear the two layers separately — the surface rhythm of the tune, and the slower pulse of the chords underneath. Musicians who can feel both at once phrase far better, because they know which notes are structural and which are just passing decoration.