dirge vs national anthem

dirge

noun
  • A mournful poem or piece of music composed or performed as a memorial to a dead person. 

  • A song or piece of music that is considered too slow, bland or boring. 

verb
  • To sing dirges 

national anthem

noun
  • The official song of a constituent state of a country. 

  • The official song of a nation or sovereign state, generally of a patriotic nature and played at events to celebrate or honor said state. 

How often have the words dirge and national anthem occurred in a corpus of books? (source: Google Ngram Viewer )