5. The content reproduction device according to claim 1 , wherein the one or more memory devices stores instructions that further cause the one or more processing devices to: with reference to priority data setting priorities for a plurality of respective databases, display, during the content reproduction, preferentially (i) an object corresponding to a database having a high priority over (ii) an object corresponding to a database having a low priority, wherein the one or more memory devices stores instructions that further cause the one or more processing devices to: in a case where an object displayed has been selected, search a database corresponding to the selected object.
13. The content reproduction device according to claim 5 , wherein the one or more memory devices stores instructions that further cause the one or more processing devices to: specify an attribute of the content that the content reproduction device is reproducing, wherein the one or more memory devices stores instructions that further cause the one or more processing devices to: with reference to correspondence information including, in association with each other, information on attributes and information on the plurality of databases, display preferentially (i) an object corresponding to a database associated with the attribute specified by the attribute specifying step over (ii) an object corresponding to a database unassociated with specified attribute.