The mute (or sordino) is a small clamp made of metal, wood, or ivory, which when clipped to the top of the bridge causes the vibrations to be transmitted less freely to the body of the violin, giving rise to a tone modified in quality, and decreased in power.
For certain special effects the player is directed to pluck the string (pizzicato), this method of playing giving rise to a dry, detached tone instead of the smooth, flowing one that is so characteristic of the violin as commonly played.
Violins in the orchestra are divided into firsts and seconds, the first violins being always seated at the left of the audience and the seconds at the right.
15. The viola has four strings, also tuned in fifths, thus
. The viola looks exactly like the violin at a little distance, and is really only a larger sized violin, having a range a fifth lower. Its tone is not so incisive as that of the violin, being rather heavier—"more gloomy," as it is often described. The viola is not so useful as the violin as a solo instrument because it is not capable of producing so many varieties of color, nevertheless it is invaluable for certain effects. In orchestral music it is of course one of the most valuable instruments for filling in the harmony. The viola players are usually seated behind the second violin players in the orchestra.
16. The violoncello or cello (sometimes called bass viol) has four strings, tuned thus: