Just explain how I can play piano parts on it, and I'll think about it, Ian...

Learn to take no for an answer!

I haven't gigged a 61 in twenty years or more, since the SQ2, I think. My primary stage keyboard has ALWAYS been a 76, since then. SQ2, K2500, G800, G1000, G70...
And my NEXT keyboard will be a 76, too (if I ever get one, still content that nothing is better all round than the G). Doesn't appear (for now) that Yamaha have their act together when it comes to GOOD 76 arrangers, so I guess I'll have to be content with my relic's sax sound STILL sounding better than SA2 in the hands of 99% of the players that use it!