Rikki's out of town,but I think she knows the answer,as she has OMB.

Personally, I use SGM180 soundfont and an Echo Indigo card,but I am GM oriented,not Yamaha as far as mapping is conscerned. On my pc, I have the Creative X-Fi. Excellent sound.

Bernie
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pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact