This video explains how to calculate the primary chords for minor keys.
Primary chords are chords I (tonic), IV (subdominant) and V (dominant) and, if studying the Associated Board (ABRSM) music theory syllabus, first make an appearance at grade 4.
Before watching this video it's very important that you have watched part 3 of this series of videos and that you can create harmonic minor scales.
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