String quintet in 17th century Italy and can be seen as early as 1607 in Claudio Monteverdi's opera, "L'Orfeo". It can also be applied to the standard five-part orchestral string section: first violins, second violins, violas, cellos, and double basses. String quintet A string quintet is a musical composition for five string players. As an extension to the string quartet (two violins, a viola, and a cello), a string quintet includes a fifth string instrument, usually a second viola (a so-called "viola quintet") or a second cello (a "cello quintet"), or occasionally a double bass. Notable examples of classic "viola quintets", in
String section String section The string section is composed of bowed instruments belonging to the violin family. It normally consists of first and second violins, violas, cellos, and double basses (or basses). It is the most numerous group in the typical Classical orchestra. In discussions of the instrumentation of a musical work, the phrase "the strings" or "and strings" is used to indicate a string section as just defined. An orchestra consisting solely of a string section is called a string orchestra. Smaller string sections are sometimes used in jazz, pop and rock music and in the pit orchestras of musical theatre.