brass instrument vs wind instrument

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). 

wind instrument

noun
  • Any musical instrument that produces sound when air flows through it; a woodwind instrument or brass instrument. 

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