Like I said though Ian.., if the incosistency is there... for me it doesn't stand out (as much as it does to you) because that (to me) is a more REAL and NATURAL sounding piano patch because it simply is what the real instruments does. It's not like Roland goes out of their way to intentionally make a sample sound "inconsistent".
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.