PSR-E373 is quite a recent Yamaha keyboard and Yamaha decided to give it their "Live! Concert Grand Piano", which is unusual for this price range. I believe that it is pretty much the same piano as used in PSR-S950 or PSR-SX900. I recognize it in the recording, it starts on the second verse. Well, everyone has his own needs and preferences. But I find this sound to work very well with styles, and I also feel that I can express myself with it freely. Because playability is not quite the same as the quality of samples. I still try different approaches to work with music, but so far I really need it to be the most playable.