Super Key Chord Matrix — Major Triad Challenge

Build your understanding of major triads with Super Key Chord Matrix — Major Triad Challenge, an interactive music-theory game from Super Key Publishing.

Start with the root and add scale degrees 3 and 5. See the notes on the keyboard, hear the chord as you build it, and practice with hints, feedback, and scoring.

• Practice major triads across 15 chord spellings, including enharmonic equivalents.
• Explore an integrated Music Dictionary.
• Move between chords and adjust the game size with the built-in slider.

Your download: A ZIP containing the complete Major Triad Challenge V2.0 HTML game and START_HERE instructions. This is a digital product; no physical item is shipped.

How to play: Extract the ZIP, then open the HTML file in a desktop web browser with JavaScript and audio enabled. The game contains its artwork and sound generation; no installation is required. Scores and progress reset when the game is closed or reloaded. Font appearance may vary by computer.