String orchestra String orchestra A string orchestra is an orchestra consisting solely of a string section made up of the bowed strings used in Western Classical music. The instruments of such an orchestra are most often the following: the violin, which is divided into first and second violin players (each usually playing different parts), the viola, the cello, and usually, but not always, the double bass. String orchestras can be of chamber orchestra size ranging from between 12 (4 first violins, 3 second violins, 2 violas, 2 cellos and 1 bass = 12) and 21 musicians (6 first violins, 5 second violins,
String Quintet (Schubert) viola with a second cello; however, Schubert's use of the second cello is very different from Boccherini's, who uses the additional cello to create an additional viola line. Alfred Einstein has proposed that Schubert's use of a second cello to enhance the lower strings may have been suggested by George Onslow, who used a double bass in some of his quintets. The string quintet consists of four movements in the usual quick-slow-scherzo-quick pattern: In common with other late Schubert works (notably, the symphony in C major, D. 944, the piano sonata in B-flat major, D. 960, and the string quartet