Doublings

(these guidelines were taken from class notes and from Aldwell and Schachter)

 

Generally, the preference is to double the root in root position chords

I, I6 (I, i6)

Ii, ii6, ii6/5, ii7 (iio, iio6, etc)

IV, IV6 (iv, iv6)

V, V6, V7, V6/5, V4/3, V4/2 (v, v6, etc.)

V6/4, 7/5/3

vi

viio6