clef vs orchestrate

clef

noun
  • A symbol found on a musical staff that indicates the pitches represented by the lines and the spaces on the staff 

orchestrate

verb
  • To arrange or score music for performance by an orchestra. 

  • To compose or arrange orchestral music for a dramatic performance. 

  • To arrange or direct diverse elements to achieve a desired effect 

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