{"product_id":"super-key-chord-matrix-major-triad-challenge","title":"Super Key Chord Matrix — Major Triad Challenge","description":"\u003cp\u003eBuild your understanding of major triads with Super Key Chord Matrix — Major Triad Challenge, an interactive music-theory game from Super Key Publishing.\u003c\/p\u003e\u003cp\u003eStart 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.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePractice major triads across 15 chord spellings, including enharmonic equivalents.\u003c\/li\u003e\n\u003cli\u003eExplore an integrated Music Dictionary.\u003c\/li\u003e\n\u003cli\u003eMove between chords and adjust the game size with the built-in slider.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eYour download:\u003c\/strong\u003e 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to play:\u003c\/strong\u003e 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.\u003c\/p\u003e","brand":"Super Key Publishing","offers":[{"title":"Default Title","offer_id":46151927627879,"sku":null,"price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7062\/9735\/files\/Screenshot_2026-09-27_at_4.50.11_PM.png?v=1790546030","url":"https:\/\/superkeypublishing.com\/products\/super-key-chord-matrix-major-triad-challenge","provider":"Super Key Publishing","version":"1.0","type":"link"}