Key signatures and chord symbols are doors to facility at the keyboard - doors too often locked by insufficient understanding. This guide unlocks them with clear and simple explanations additionally providing: major and minor scales ? guidelines for scale fingering ? chord charts which include major minor augmented seventh ninth eleventh major seventh major ninth minor seventh sixth minor sixth and diminished chords in all positions ? formulas and symbols for altered chords - a simplified approach to forming complex chords ? a glossary of music terms and chord spelling chart.