Scales & harmony from D

A theory reference for everything built on the tonic D: the diatonic chords of D major and D natural minor, the progressions they form, and the scale types that start from D.

Key relationships at a glance: the relative minor of D major is B minor, and D minor shares its key signature with F major. Use the tables to compare harmony side by side, then jump to an instrument to hear the shapes under your fingers.