choir vs singalong

choir

noun
  • A group of people who sing together; a company of people who are trained to sing together. 

  • The part of a church where the choir assembles for song. 

  • One of the nine ranks or orders of angels. 

  • Set of strings (one per note) for a harpsichord. 

verb
  • To sing in concert. 

singalong

noun
  • A gathering of people who sing together 

adj
  • designed to allow or encourage the audience to sing along 

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