How can I convert a Mpc Song to a Wave file?

When i have made a Song in my Mpc,I save it as a Midi-file,connect the Mpc via Usb to my Pc,and put the Midi-file on my Desktop.

Please tell me now step for step,what i must do,to make a wave-file on it with Cubase.

Thanks...

Just record the audio out of mpc to your audio card. Open Cubase, select a track and the corresponding audio in on your card. Then after you get it in Cubase, export the file as a wave.