arrangement vs instrumentation

arrangement

noun
  • An adaptation of a piece of music for other instruments, or in another style. 

  • An agreement. 

  • Preparations for some undertaking. 

  • The act of arranging. 

  • A collection of things that have been arranged. 

  • A particular way in which items are organized. 

  • The manner of being arranged. 

instrumentation

noun
  • The act of using or adapting as an instrument; a series or combination of instruments. 

  • The dynamic analysis of a program's performance and behaviour, usually by injecting profiling code into it. 

  • On a vehicle, dashboard gauges monitoring engine functions and performance, along with other essential functions. 

  • The act or manner of playing upon musical instruments; performance. 

  • The arrangement of a musical composition for performance by a number of different instruments; instrumental composition; composition for an orchestra or military band. 

How often have the words arrangement and instrumentation occurred in a corpus of books? (source: Google Ngram Viewer )