Instrumentation

n.
  1. The act of using or adapting as an instrument; a series or combination of instruments; means; agency.
  2. The act of using instruments to measure or control the behavior of an object, as a patient in a hospital or a machine being tested while under development.
  3. The act of furnishing or attaching instruments to/
  4. The set of instruments included in a system; as, a harvester with modern instrumentation.
    1. The arrangement of a musical composition for performance by a number of different instruments; orchestration; instrumental composition; composition for an orchestra or military band.
    2. The act or manner of playing upon musical instruments; performance; as, his instrumentation is perfect.