Nothing to see, as the all-weather chrome speakers and amp are hidden, but your listening to the new musical horn which is a 3 second sound byte from "Drive My Car".
Of course, the system is programable so it can be changed to play any song or songs, in part, or in their entirety.
The 3 " waterproof speakers and waterproof chrome amp can be found at:
The music comes from an IPOD Nano (2nd Generation) controlled by a wireless remote (Scosche Industries).