Basic Essentials of Music Theory for the Non-Major

Chapter 1: Rhythm and Meter
Chapter 2: Pitch
Chapter 3: Keyboard
Chapter 4: Major Scales
Chapter 5: Major Key Signatures
Chapter 6: Intervals
Chapter 7: Minor Sharp and Flat Key Signatures
Chapter 8: Minor Scales
Chapter 9: Triads and Seventh Chords
Chapter 10: Chord Progressions
Appendix
Principles of Music Fundamentals
Algorithms from the Text
Endnotes
Keyboard Diagram