Amazing of potential for us PSR-S670-S970, Tyros 5 users, importing REX format samples via the YEM (Yamaha Expansion Manager). Making the Yamaha arrangers the best in the world with the most variety of styles and realism.

Yamaha Expansion Manager Manual

The above link was copied from my iPad, so I hope it works for PC browsers. I'm out if town this weekend. Already miss my Tyros 5, but still enjoy the forums while away.