heavy metal vs jazz

heavy metal

noun
  • A genre descended from rock music, characterized by massive sound, highly amplified distortion, and overall loudness, often with extended guitar solos, and lyrics that involve aggressive or fantastic imagery. 

  • Any metal that has a specific gravity greater than about 5, especially one, such as lead, that is poisonous and may be a hazard in the environment. (There are many different definitions of what counts as a heavy metal; see Heavy metals for a discussion.) 

  • Great influence or power. 

  • guns or shot of large size. 

jazz

noun
  • 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. 

  • Something of excellent quality, the genuine article. 

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

  • Semen, jizz. 

  • Energy, excitement, excitability. 

  • Nonsense. 

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. 

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