I can attest to that. Although, having an organ background, I sometimes enjoy playing the piano on my G70, for the firstime, since having 76 keys. Also, in split mode, I find it a welcome addition. Having now had 76 keys, I wouldn't again trade quality and a few pounds to go back to 61.
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pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact