hi, i have reloops RMP3 which is a midi player.. so they say. haha and a RMX40 which isnt a midi player so it cant connecft to computer. i've connected the 2x rmp3's to my laptop which has traktor pro software. note : i dont have the hardware only usb. from rmp3 into computer although i see that the laptop recognizes the rmp3's i load a song onto the A deck of the laptop and yet i dont hear anything what do i need to set so on so on.. and map. thankyou!