XY Music - Interactive music notation with playback and MIDI

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XY Music is a web-based music notation platform that brings sheet music to life. It features a growing library of classical and contemporary scores, from Erik Satie's Gymnopedie 1 to Coldplay's Amsterdam. Users can play back pieces with internal piano sounds or external MIDI, follow along with highlighted notes, and click any note to preview that moment. Each score offers a downloadable PDF, original source link, and tempo/volume controls. Perfect for musicians, students, and enthusiasts, XY Music makes learning and enjoying music interactive and accessible directly in your browser.