I am progressing nicely learning on the piano on my Yamaha clp and just been looking around at other technology that I can add to my dpiano, like there are sound modules that you can add to the keyboard or there is software that you can use with the computer to add more voices , I am not sure which would be the best option? Adding new sounds modules or software from a computer? But I have been looking at the Roland BK-7m backing module - seems a lot more than just new sounds on it, if I am right it seems to have backing tracks to play along to , but as I am still new and learning piano should I just wait till I have advanced more in playing piano or would this be something I could use from the off to help me progress, or is it to advance that i would not really benifit from it yet?