improvisational music vs jazz

improvisational music

jazz

verb
  • To play (jazz music). 

  • To destroy. 

  • To complicate. 

  • To move (around/about) in a lively or frivolous manner; to fool around. 

  • To distract or pester. 

  • To ejaculate. 

  • To enliven, brighten up, make more colourful or exciting; excite 

  • To dance to the tunes of jazz music. 

noun
  • Something of excellent quality, the genuine article. 

  • The substance or makeup of a thing; unspecified thing(s). 

  • A musical art form rooted in West African cultural and musical expression and in the African American blues tradition, with diverse influences over time, commonly characterized by blue notes, syncopation, swing, call and response, polyrhythms and improvisation. 

  • Semen, jizz. 

  • Energy, excitement, excitability. 

  • Nonsense. 

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