"Harmony Theory from the Beginning" is a workbook for learning, testing, and applying music theory. Having a keyboard or piano is helpful while working through the chapters. The exercises are easily understandable even for non-pianists. Familiarize yourself step by step with musical notation, accidentals, intervals, minor and major scales, scales and modes, triads, playing by ear, chord positions, cadences, and the circle of fifths, as well as reharmonizations. Comprehension questions and a solutions section are included for self-assessment.