1. A content processing apparatus comprising: an interface circuit connected to one or more external devices; and a processor configured to execute simultaneously with recording to the one or more external devices and reproducing from the one or more external devices; wherein the processor including a controller configured to set an order of priority so that the recording is higher than the reproducing, and limit processing operation of reproducing when the load of simultaneous execution of the recording and the reproducing exceed the load that the processor can process; and wherein the controller is configured to give priority based on at least one of a plurality of parameters, including (i) a user specified device, (ii) a start timing of the operation, (iii) frequency of using an external device, and (iv) user specified program category, in handling same priority processing.