Disklavier

I use floppies to play my Mark III piano. They are very convenient and also have the advantage of allowing you to slow down and repeat sections of the music if you're trying to learn a piece (assuming your unit has that capability).

If you want to save yourself a lot of trouble, I recommend purchasing pre-recorded floppies on eBay. They are quite a bargain for the quantity and quality of music that you get.

Here's a link: http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2050601.m570.l1311.R4.TR10.TRC2.A0.H0.Xdisklavier.TRS0&_nkw=disklavier+floppy&_sacat=0

Dave