promo vs shout from the rooftops

promo

verb
  • To promote; to publicize. 

noun
  • an interview or monologue intended to promote a character or an upcoming match. 

shout from the rooftops

verb
  • To announce eagerly and widely; to proclaim. 

How often have the words promo and shout from the rooftops occurred in a corpus of books? (source: Google Ngram Viewer )