Encore

adv. or interj.
  1. Once more; again; -- used by the auditors and spectators of plays, concerts, and other entertainments, to call for a repetition of a particular part.

n.
  1. A call or demand (as, by continued applause) for a repetition; as, the encores were numerous.

v. t.
  1. To call for a repetition or reappearance of; as, to encore a song or a singer.