- Happy Note! Notes In Space 1.6 — A full-fledged arcade-type computer game that's both fun and educational. It will teach you about relative note durations even as you play. With its 3 levels of difficulty and other options, it is suitable for players of all ages.
- Happy Note! Sing 'n Learn Treble Clef ABC 1.20 — From 2 to 17 different notes in Treble Clef, 32 free music reading lessons to learn at your own pace. Hear and sing (or read) the notes at the same time! It is also fully compatible with the computer game Happy Note! Treble and Bass Clef.
- Happy Note! Treble Clef and Bass Clef 2.52 — A real computer game (Lives, Points, Bombs, etc.) that will teach you how to read music even as you play! You can choose to play in alphabetical (A, B, C... and A, H, C...) or syllabic notation (Do, Re, Mi...). 3 different speeds available.
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