Patent ID: 8015212

Claim:
A reproduction method comprising the steps of: (a) reproducing each of a plurality of contents data stored on a storage medium of a reproduction apparatus in a predetermined pattern successively, the plurality of contents data being all contents data stored on the storage medium or pre-selected contents; (b)(1) monitoring a number of occurrences of execution of a predetermined input operation during step (a); (b)(2) tracking a second number of occurrences of execution of the predetermined input operation monitored for each of the plurality of contents data during step (a); (c) specifying attribute data common to a subset of the plurality of contents data, to which the predetermined input operation is not executed during step (a), when the number of occurrences of execution of the predetermined input operations exceeds a first predetermined value; (d) reproducing using an output of the reproduction apparatus only the contents data having the specified common attribute data; and (e) forming a play list of another subset of the plurality of content data having the second number of occurrences of execution of the predetermined input operation that is less than a predetermined number.