ballroom vs performing arts

ballroom

noun
  • A type of elegant dance. 

  • A large room used for dancing and banquets. 

verb
  • To take part in ballroom dancing. 

performing arts

noun
  • The arts involving performance, such as dance, theatre, music, etc. 

How often have the words ballroom and performing arts occurred in a corpus of books? (source: Google Ngram Viewer )