Analyze & Understand
From key detection to chord reverse lookup, progression analysis, and transposition. Turn what you hear into practical theory you can apply.
Learning path
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Transpose Tool
Transpose the result into practical keys with Transpose Tool
Related tools in this topic
Diatonic Chord Reference
Choose a key and see its diatonic chords instantly. Compare triads and seventh chords by ear, then use them for songwriting or progression practice.
Circle of Fifths
Tap the circle of fifths to hear key relationships, accidentals, and V-I movement. A visual way to understand keys, modulation, and progressions.
Progression Generator
Pick a key and a mood, then generate a musically coherent chord progression and play it back instantly.