recitative vs symphony

recitative

noun
  • dialogue, in an opera etc, that, rather than being sung as an aria, is reproduced with the rhythms of normal speech, often with simple musical accompaniment or harpsichord continuo, serving to expound the plot 

adj
  • of a recital 

symphony

noun
  • An instrumental introduction or termination to a vocal composition. 

  • Harmony in music or colour, or a harmonious combination of elements. 

  • An extended piece of music of sophisticated structure, usually for orchestra. 

  • A symphony orchestra. 

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