Common Keys
- • Key of C: C - Dm - Em - F - G - Am - Bdim
- • Key of G: G - Am - Bm - C - D - Em - F#dim
Roman Numeral System
- • Major chords: I, IV, V (uppercase)
- • Minor chords: ii, iii, vi (lowercase)
- • Diminished: vii° (lowercase with °)
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