Disclosed is a technology that enables a user to quickly obtain associated information of a music piece to hisher taste while passively hearing music pieces. The body has an opening configured for providing an access for the articles entering into the body. A lift arm actuating motor is coupled to a lift arm drive screw that is in threaded engagement with a lift arm drive nut. Indirect information about the occupancy levels of the buffer memory areas is passed via the feedback loop to the at least one RED processing unit.