HappyEO Pro

Always wanted to play the Piano or the Electric-Organ? Try HappyEO! It will turn your computer into a advanced Electric-Organ! A beginner can use it to learn musical theory and recognize score, and an expert can use the computer keyboard to play beautiful songs! HappyEO is a virtual instrument with your computer keyboard and mouse. It has many features only exists in advanced electric-organ. It's easy, funny and powerful. Create your own songs i