Abstract: There is disclosed a coin or token operated machine for playing pre-recorded discs and which comprises a magazine store (10) for holding a plurality of pre-recorded record discs, with each disc having its own distinctive coding extracted, a selector (11) operative to initiate extraction of a selected disc from the magazine (10), and an extractor mechanism (23) operative to extract a selected disc from the magazine (10) and to place it on a turntable or other playing device. A record disc reader (13) extracts a code from each selected disc, and this information is input to a memory (14) which stores data concerning the discs which are selected for playing. A computer controlled system (15) controls the overall operation of the machine, and a disc replacement device (16) initiates indication of the least popular disc at each inspection of the machine, for the period back to the previous inspection.