Quiet Keys: Piano Theory

Quiet Keys is a complete piano theory companion — built for anyone who wants to actually understand the music they're playing, not just memorize finger patterns. WHAT YOU'LL LEARN • 41 structured lessons, from your very first scale to advanced jazz harmony (ii–V–I progressions, extended chords, modal theory) — organized Beginner through Advanced so you always know what to learn next. • Every chord in every key — all 12 keys × 13 chord qualities (major, minor, 7ths, extended 9/11/13, half-diminished, and more), each with real audio, inversions, and common progressions. • Every scale in every key — all 12 keys × 19 scale types, including major and minor variants, all seven modes, pentatonic and blues scales, and exotic scales like harmonic major and Hungarian minor. • 82 ear-training exercises across five skill types: interval recognition, chord quality, chord inversions, scale…