a recording and / or reproducing apparatus arranged to detect whether a second information is recording or not , by using a first detection signal indicating a result of detection concerning whether no signal is recorded or any signal is recorded , and the second detection signal indicating the result of detection concerning whether the first information signal is recorded or not , in a case where the first or second information is recorded on the recording medium where no signal is recorded thereon , and where it cannot be detected whether the second information signal is recorded or not .