be in sequence vs pirouette

be in sequence

pirouette

verb
  • To perform a pirouette; to whirl on the toes, like a dancer. 

noun
  • The whirling about of a horse. 

  • A whirling or turning on the toes in dancing, primarily in ballet. 

How often have the words be in sequence and pirouette occurred in a corpus of books? (source: Google Ngram Viewer )