Happy Note! Notes in Space
by Happy Note!
Happy Note! Notes in Space is a full-fledged arcade-type computer game that's both fun and educational. It will teach you about relative note durations (whole notes, half notes, quarter notes) even as you play and have fun. With its three levels of difficulty (Beginner, Advanced, Expert) and other options, Happy Note! Notes in Space is suitable for players of all ages.
real clef music duration computer