Thanks for all the comments.
For those who asked, I used the included one. It's called True_Piano X64 1.
Now, I do agree that it can get lost in a fat mix, if not EQ'd correctly, especially the "default" piano.
I'm starting to like how the "bright" piano fits into a rock mix better. BUT, the "default" and the "wide" pianos are
extremely nice in light mixes or as solo instruments, as on my "Somewhere Over the Rainbow", which was "default".
btw, did Steven Slate have to make his "Sizzle Kit Dry" so damn good? I feel like I never want to try anything else because it's so clean and authentic sounding. Good job, Steven. Thanks.
btw, I have "Akoustic Piano" sitting on my shelf right now. I bought it a couple years back when I was still using Sonar 4 and my system could not handle it. I had freeze-ups galore. I don't reckon I'll even bother to install it on this computer because these X1 included ones are so good. Thanks again to all. Every week, I'll upload a new original song. Keep your eyes and ears open, and please offer honest critique and/or suggestions, if anything strikes you as a fellow musician! I take them all under "advisement", that's for sure.