ceremonial vs trumpet call

ceremonial

noun
  • A ceremony, or series of ceremonies, prescribed by ritual. 

adj
  • Of, relating to, or used in a ceremony. 

trumpet call

noun
  • A call or summons on the trumpet. 

  • Any call to action. 

  • A small trumpet used by hunters to imitate the vocalisations of turkeys. 

How often have the words ceremonial and trumpet call occurred in a corpus of books? (source: Google Ngram Viewer )