Abstract: A stereo sound and light track system includes one or more sound fixtures and one or more light fixtures, each fixture being independently mounted for movement on a track to any mounted position thereon. A bus bar assembly including audio bus bar conductors and power bus bar conductors are mounted on the track which is grounded. Connectors are provided on the fixtures to make electromechanical contact with the appropriate bus bar conductors and ground. Stereo sound can be transmitted by the sound fixtures and light can be emitted from the light fixtures in any of their respective mounted positions.