In Ancient Greece orchestras (orchestra) was the name of the place in front of the stage, which at the time of submission of tragedies fit fine
Much later, during the heyday of musical art in Europe, the orchestra became known as large ensembles of musicians, together performing instrumental music. In these ensembles participated variety of tools.
Pop orchestra is a collective of musicians in pop and jazz music. Pop orchestra consists of strings, woodwinds, keyboards, drums and musical instruments.
The kind of pop orchestra - symphonic orchestra. Pop part in it are the rhythm section (drums, piano, synthesizer, guitar, bass guitar) and a full big band (group of trumpets, trombones and saxophones); and Symphony part presents a large group of string bow instruments, woodwind group, comprising the harp. The term "symphonic orchestra" appeared in 1954. So became known as the jazz orchestra of all-Union radio and television under the guidance of S. Silantyev, established in 1945.
Pop orchestras diverse and sizes - from large, similar to the Symphony, to the very small, like ensembles. Pop bands are often included saxophones, Hawaiian guitar, a lot of drums.
1 - violin; 2 - bass; 3 - clarinets; 4 - saxophones; 5 - French horn; 6 - trombones;
7 - pipe; 8 - tube; 9 - drums; 10 - piano; 11 - harp; 12 - accordions; 13 - organal