orchestra

OR-ke-struh

[ English , from the Greek meaning dancing area ]

Definition

A group of musicians who perform on a variety of instruments. Within Western art, the term is most commonly applied to the symphony orchestra
 

Modern Symphony Orchestra Instrumentation

Strings
Woodwinds
Brass
Percussion
18- 1st violins
14 - 2nd violins
12 - violas
12 - cellos
8 - double basses
4 - flutes
3 - oboes
1 - English horn
3 - clarinets
1 - bass clarinet
3 - bassoons
1 - contrabassoon
5 - horns
4 - trumpets
3 - trombones
1 - tuba
2 - timpani
3 - untuned percussion
1 - tuned percussion
2 - harp
 
The actual instrumentation of the symphony orchestra is dictated by the composer's indications in the score. In fact, on any given performance of a symphony orchestra, the instrumentation may change on every composition performed. The instrumentation shown above is the result of dramatic changes throughout the centuries. There has been a great expansion from the Baroque orchestra to the modern symphony orchestra.