Thanks for such a quick response guys. I'm relieved I can at least share some files at last. Thank you also for the encouraging words, it's been a while since I have played, but I'm really looking forward to getting back into it.
In terms of my home studio setup, I put the Tyros through a fairly old Studiomaster mixer, and record to PC using Cool Edt in this case. I use a Sound Blaster Audigy sound card. I've found the signal to noise excellent on that (and it's cheap). When doing pure audio recording I always mute the cd and midi on the PC mixer as well. This almost always results in a clearer sound due to less cross over internal noise.
The other point is I'm finally getting somewhere on my download problem. A techie friend is coming to visit tomorrow and he's confident it's a browser setting (as Terry suggested). Thanks again, this interaction we have means an awful lot to me.

Ron