To prepare the launch of new A4L, Audi was in need of a short promotion film that can go viral. With the combination of CGI technique and real-shooting, BITONE has made consumers vividly remember the image of A4L.

In the film, delicate feathers float in the car by the sound vibration come from stereo system of the car. The dance of feathers and sound present the accurate interaction between vision and sound, demonstrating the excellent sound atmosphere of B&O 3D stereo equipped on A4L and the luxurious experience of Audi A4L.

After being officially launched by Audi, the film has got large amounts of clicks and views in social propogation.