To greatly reduce the number of operations required for the operation of selection and setting for registering a reproducing file when specific files out of a plurality of files written in a medium such as a compact disk are reproduced continuously.

A start track and a finish track out of a music program track constituted of a plurality of files written in the compact disk 41 are set respectively, and music programs corresponding to a track from the start track to the finish track are reproduced in the prescribed order. Then, the reproduction is performed in the order of ascending order reproduction, reverse order reproduction, random order reproduction, or the like.