Guides
Music theory you can hear
Short guides to the harmony Tonalia teaches, each with examples you can play. Every chord is spelled and voiced by
the same engine that writes the app's lessons.








Ear training appAn ear training app for chords and progressions
Ear trainingHow to hear chord progressions by ear
Daily practiceDaily ear training, five minutes at a time
HarmonySecondary dominants: what they are and how they sound
HarmonyBorrowed chords and modal interchange, by ear
Jazz harmonyTritone substitution, explained by ear
ModesThe modes, from Dorian to the altered scale
ExtensionsChord extensions you can hear: 9ths, 11ths and 13ths
Voice leadingVoice leading, from the rules to the sound
For guitaristsMusic theory for guitarists who already know their chords