The violoncello, or "cello" has been around since 

the 16th century, when it was used primarily as 

an ensemble instrument. The cello is  tuned an 

octave below the viola, and has a C, D, G, and A 

string. The performer sits on a chair and rests the 

cello in between his or her legs. Cellos were not 

often solo instruments until the late 17th century 

with pieces by Domenico Gabrielli, J.S. Bach, and 

others. The cello plays tenor, bass, solo, orchestral,

and chamber music parts, being  only second to 

the violin in importance.Throughout the 17th 

and  18th centuries, there were many famous cello

makers, such as Antonio Stradivari. Famous

composers include J.S.Bach, Beethoven,

Tchaikovsky, and Luigi Rodolfo Boccherine. 

The cello will always be an important part of the

orchestra.