Device and playback method, system and method of providing information and associated program

A reproduction apparatus (1) comprising: a section of local storage (12); one reading section (33) configured to read, from a recording medium (11), identifying information medium adicho record, wherein said recording medium is movable and stores a first AV stream and first informationof to control the reproducing said first AV stream and wherein said information identificacioncomprende an ID study to identify the manufacturer of the recording medium and content ID; a control section for registration (32) configured to acquire a second AV stream and the second information controlque it constitutes an update of said first control information from a delivery apparatus information (3) connected to the playback apparatus via a network (2), the acquisition part in inaccordance said identification information read out by said reading section, wherein said ID study designates dichoaparato supply information, said control section configured register further being for registrardicha second information control and said second AV stream in a directory section of local memory, endonde this directory is provided with a name including said identification information and ~ a section playback control (36) configured to control playback of said first and AV segundoflujos based on said second information control recorded in that section of memory localmediante said control section registration.