Virtual viola online is to practice playing viola on the internet. Music can be played by the viola as a file (files.mid) upload to try to play the same. Can determine the speed of play. The training.
Save the music you play as a file (files.mid) to play on your computer.
Another simple way. In practice playing the viola. Without a real viola.To practice playing the viola with a computer. For amateur musicians, amateur or a professional matter.