The Viola looks very similar to a violin, but it is about one-seventh larger and its proportions are slightly different. The viola produces a warm, mellow tone, and it is an important member of the orchestra and string quartet. However, viola solos are not often heard.
| Family | 
| Strings | 
| Pitch range | 
| At least three octaves. | 
| Material | 
| Wood, with steel strings. | 
| Size | 
| Body is approximately 17 in (43 cm) long. | 
| Origins | 
| Like the violin, the viola evolved from the early European fiddles, such as the rebec. The instrument first appeared in the early part of the 16th century in northern Italy. | 
| Classification | 
| Chordophone: an instrument that produces its sound by the vibration of strings. | 
| And also... | 
| The classical composers Johann Sebastian Bach (1685-1750) and Wolfgang Amadeus Mozart (1756-91) were both accomplished viola players. | 

