I have been looking for the same thing for my receptor. Muse KVR forum suggested Phrazor since it has a sequencer built in, which is a problem for Receptor. It can be installed with the unsupported method. I have it on my PC, but have not installed it yet. http://www.sonicbytes.com/products.htm

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