Source : Webster's Revised Unabridged Dictionary (1913)

Aubade \Au`bade"\, n. [F., fr. aube the dawn, fr. L. albus
   white.]
   An open air concert in the morning, as distinguished from an
   evening serenade; also, a pianoforte composition suggestive
   of morning. --Grove.

         The crowing cock . . . Sang his aubade with lusty voice
         and clear.                               --Longfellow.