Hot to generate fake usb device

How generate fake usb device, i have leonardo i would create fake serato sl4 card to serato thinks its oryginal real card and start it on cracked program if possible i i demand next qustion. Arduino can listen audio from player and send to serato like normal card?

Sorry from my english is not my best site

Would this question be better asked in your native language or possibly not be asked at all as it appears that you want help with something to bypass security/copy protection in some way