MUSIC · THEORY · PRACTICE
Music Theory
Learn one idea, use it immediately, then mix it with the rest. Notes, rhythm, intervals, scales, chords and harmony — all in one local practice loop.
6core topics
3drill modes
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LEARN
Notes & Staff
0%local accuracy
PRACTICE
Name the highlighted note.
0streak
ROADMAP
From symbols to harmony
Work left to right, or jump directly to the topic you need today.
Lesson Deck30 compact lessons · fundamentals through harmony
Daily Theory Set12 deterministic mixed questions · local completion
Today
Two questions from each core topic, with identification, construction and ear work mixed in.
Not started
Quick referenceintervals · scale formulas · chord formulas · key signatures
Scale formulas
Chord formulas
How to studyshort explanations · local progress · no fake global rank
Learn, then retrieve
Read the three-point concept summary, then answer without looking back. Retrieval practice is the point of the drill.
Build when recognition is easy
Identification is faster; construction makes you produce the notes yourself. Use Ear mode for intervals and chord qualities.
Progress is local
Accuracy, streak and Daily completion are stored in this browser only. No public leaderboard or server history is implied.