The viola is a beautiful and versatile instrument that adds a rich tone to an orchestra or string ensemble. If you are a beginner who is eager to explore a new world of music or an experienced violist ...

That is the Viola Organista, a 15th century instrument designed by that ultimate Renaissance man, Leonardo da Vinci. What you can't see is that this music is issuing from what appears to be a piano.

The purpose of a string in a string instrument is to vibrate and produce sounds. How it vibrates is decided by its mass per unit length, its stiffness, and how well it allows vibrations to flow ...