The 43rd theatrical outing for the 2D animated 'Doraemon' series, produced to commemorate the 90th anniversary of the birth of the original author.<br><br>Nobita is practicing his recorder, which he is not very good at, for a school concert when a mysterious girl, Mikka, appears. She is looking for a music expert to play with her in order to revive the "Hall of Music " on a planet where music is an energy source.