CD-RW works on Sony 9000ES

I found a CD-RW blank that works on the Sony 9000ES player.

It is the "CD-RW Platinum" made by Memorex (650MB/74min.).

I haven't found a CD-R that works yet, but there is a difference in reflectivity between the CD-RW and most CD-R's. I got my CD-RW's at Best Buy.