Matrix Piano Midi

"Matrix Piano Midi" is a Web Application, programmed in HTML/CSS/Javascript. It enables the PC-Keyboard as a piano with Midi-Out and works directly on Webbrowser Google Chrome. Your PC-Keyboard is the music instrument. You can also use Hardware/Software Synthesizer with Midi for unlimited sound variations.

What are the problems you aim to help solve with this project?:
The technique to make music and understand the theories in less minutes.