hi people...i just got a brand new yamaha psr s710 and am filled with so many doubts... am a budding musician and i need all of your help to work with my keyboard.. doubts- 1. can i save a track on a pendrive in a wave format?? 2. can i plug a guitar or mic to my aux-in port?? 3. i connected my keyboard to my laptop using usb cable. what is the use of this connection?? can i record to my laptop using this connection? please give me ur suggestions soon , im waiting pavan, music enthusiast bangalore