Ok, I bought (http://www.amazon.com/Cable-Converter-Music-Keyboard-Window/dp/B0017H4EBG/ref=sr_1_1?ie=UTF8&qid=1316565770&sr=8-1) and was curious how this was suppose to work, it came with no instructions or any CD for drivers. Were can I download the drivers, I use a Yamaha that's capable of...