Topmusicanswers
Once you've chosen a basic harmonic rhythm, find a chord that fits most of the notes within that number of beats. Let's say it feels right to change chords every 4 beats. Find a chord that works with most of the notes of the first 4 beats, keeping in mind that your chord choice should emphasize the key of your song.
Which chords lead to Which?
iv or IV chords lead to i, V, v, vii°, or VII chords. V or v chords lead to i, VI or #vi° chords. VI or #vi° chords lead to i, III, III+, iv, IV, V, v, vii°, or VII chords. vii° or VII chords lead to i chord.
