I have listened a couple of times, especially because I have an interest in the PA600 - IF it ever shows up mad - ...
I think it's obvious that the KORG drums are more 'live' ... I thought the KORG strings had a more lush sound to them and in general thought the KORG right hand sounds were 'fuller' although I liked the Yamaha Jazz Organ better ... and I REALLY liked the Jazz Style on the Yamaha ... nice intro/outro ...
But what do I know ... confused1 grin
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t. cool