euphonious vs orchestral

euphonious

adj
  • Of sounds, especially speech: demonstrating or possessing euphony; agreeable to the ear; pleasant-sounding. 

orchestral

adj
  • Relating to an orchestra or to music played by an orchestra. 

noun
  • An orchestral performance. 

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