brass instrument vs recorder

brass instrument

noun
  • Any musical instrument whose tone is produced by vibration of the lips as the player blows into a mouthpiece (or tubular resonator). 

recorder

noun
  • A musical instrument of the woodwind family; a type of fipple flute, a simple internal duct flute. 

  • A judge in a municipal court. 

  • An apparatus for recording; a device which records. 

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