Hi Diki
Wersi instruments have NO Rom sounds, also the OAS 7 (Creamware Pulsar 2(Scope) (An OEM version that is used by Wersi) sound engine, has the capabilities to do the same as the Yamaha SA, but it takes time to program. (Look to 3rd party sounds in the future, and most likely Wersi as well)
Regards

Bill
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