Instrumentation (music)  

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In music, instrumentation refers to the particular combination of musical instruments employed in a composition, and to the properties of those instruments individually. Instrumentation is sometimes used as a synonym for orchestration, which more properly refers to an orchestrator's, composer's or arranger's craft of employing instruments in varying combinations.

Instrumental properties

Writing for any instrument requires a composer or arranger to know the instrument's properties, such as:

• the instrument's particular timbre, or range of timbres;
• the range of pitches available on the instrument, as well as its dynamic range;
• the constraints of playing technique, such as length of breath, possible fingerings, or the average player's stamina;
• the relative difficulty of particular music on that instrument (for example, repeated notes are much easier to play on the violin than on the piano; while trills are relatively easy on the flute, but extremely difficult on the trombone);
• the availability of special effects or extended techniques, such as col legno playing, fluttertongue, or glissando;
• the notation conventions for the instrument.

See also

• Orchestra
• String section
• Orchestration
• Arrangement
• Hornbostel-Sachs instrument classification system