The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

         The crowing cock . . .
         Sang his aubade with lusty voice and clear.
                                                  --Longfellow.
   [1913 Webster]