disco vs electronic dance music

disco

noun
  • A genre of dance music that was popular in the 1970s, characterized by elements of soul music with a strong Latin-American beat and often accompanied by pulsating lights. 

  • discovery (pre-trial phase in which evidence is gathered) 

  • discovery (materials revealed to the opposing party during the pre-trial phase in which evidence is gathered) 

verb
  • To go to discotheques. 

  • To dance disco-style dances. 

electronic dance music

noun
  • A field of modern popular music, encompassing house, techno and other genres of percussive dance music. 

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