Retrograde Function*

1. The "Roles" Chords Play In you learned that six prime chords are divided into two parties, constructing 3vs3 symmetric correspondence. {I}{IV}{V} are all major chords, and {VIm}{IIm}{IIIm} are all minor chords. But when they form a chord progression, each chord gives a distinct impression to you, by the power of contexts. Typically, when a song progresses to {I} chord,…