| Learn all scales, intervals, triads to 13th chords, cadences, borrowed chords and secondary dominants. Learn the pop chords in 'real' books and sheet music, all with immediate feedback and scoring.The Help file is a complete music theory book. Answer questions by clicking the screen keyboard. See your answer notated and played as you answer.Questions in each exercise are presented in random order for repeated practice.Peek at the correct answer, go to the next question, or repeat previous questions at any time.A high school/college music theory course at a modest price. | 
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