Chord & FretHarmony
Ten applied-harmony topics, from fundamentals to practice: each has a theory page anyone can follow, plus a dedicated version for each instrument with real shapes drawn by the same engine as the app.
Harmonic cadences: how music ends, breathes, and surprisesUnderstand authentic, plagal, half, deceptive, backdoor, and modal cadences, with chord examples and a step-by-step plan for training your ear.Chord progressions: the paths harmony travelsUnderstand chord progressions: degrees and functions, the pop loop, ii–V–I, the Andalusian cadence and the blues, with chord examples and a clear study plan.How to improvise over chords: target notes, guide tones, and scales as candidatesLearn to improvise over chords using chord tones, guide tones, target notes and tensions — and why scales are candidates, not rules.Voice leading: how to connect chords with minimal movementUnderstand voice leading: common tones, guide tones, 7→3 resolution and minimal movement to connect chords smoothly in any progression.Chord inversions and walking bass lines: the complete guideUnderstand root position, first and second inversion, slash chords, and how to build bass lines that walk step by step from chord to chord.Arpeggios: how they are built, applied, and practicedUnderstand arpeggios: how they grow out of chords, inversions, extensions, rhythm, and a five-layer practice method with chord-symbol formulas.Greek modes: understand each color by its soundThe seven Greek modes explained through sound: degree formulas, characteristic notes, and why modal color vanishes without a sustained center.Secondary dominants and approach chords: the complete guideUnderstand secondary dominants (V7/x): how to build them, the five in a major key, related ii–V, tritone subs and diminished chords, with chord examples.Modal interchange: the colors of the minor key inside the major keyUnderstand modal interchange: the minor iv, bVI, bVII, bIII and the backdoor cadence, with chord examples and tips for borrowing minor-key colors.Chords and scales: which scale to use over each chordLearn how each chord maps to candidate scales: maj7, m7, dominants, m7b5 and sus — with chord-symbol examples and the nuance of the avoid note.