entertainer vs instrumentalist

entertainer

noun
  • A person who entertains others, esp. as a profession, as a singer, actor, presenter, dancer, musician, magician, comedian, etc. 

  • Someone who puts on a show for the entertainment or enjoyment of others. 

instrumentalist

noun
  • One who plays a musical instrument, as distinguished from a vocalist. 

  • An adherent of instrumentalism. 

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