| 摘要 |
A content playback device selects a region of pieces of additional information of contents to be played back in a random order in an order list 3, sets pieces of item information of additional information to be arranged in the order list 3 in the random order within the set region of pieces of additional information, and arranges the pieces of additional information in the order list 3 in a random playback order on the basis of the pieces of item information set within the above-mentioned region of pieces of additional information so as to play back content data recorded into recording media 5.
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