Provided is a reproduction method for enabling an automatic selection and reproduction of a music data suitable for a user's preference during the reproduction, for reproducing a contents data given with an attribute data, and having the steps of: reproducing a plurality of the contents data in a predetermined pattern successively; monitoring an execution of a predetermined input operation duringreproducing the contents data; specifying an attribute data common to the plurality of the contents data, to which the input operation is not executed during the reproduction, when a number of the input operations exceeds a predetermined value; and reproducing a contents data given with the common attribute data.