MetaPiano. A 60 Mb Modeled Grand Piano that sounds like a 30 Gb one.
MetaPiano is the first Spectral Modeled Grand Piano out there. It was built upon real sound captures from a Japanese Concert Grand Piano and meticulously rebuilt by math algorithms.
It's so realistic you won't believe is not the real instrument. And so lightweight you can email it :)

Features
Spectral modeled 88 notes grand piano.
~60MB.
Low CPU usage.
Based on real samples.
No velocity-switching.
Scalable HD interface.

CONTROLS/FX
Impulse response based Ambient Reverb
Master gain
Wood resonance
Width(stereo to mono) control
Dynamic velocity adjustment

https://www.virustotal.com/gui/file/5a7ce2154508d64ecce062d2dc1cb1921598cd1af400cf44a182c4ae8d0a8625

https://www.virustotal.com/gui/file-analysis/Zjk2ODY4NGY1YmNhZTIxZDg0MjA4ZjEyNWZlZjY4NTg6MTY3MDk3NzMwNg==