I would like to be able to. But there's no way in hell. I'm almost certain I saw more than 10 keys pressed at the same time.
If I wasn't already playing like five songs and was into that genre of music, I probably would try. Hell, two of the songs I'm playing now have five note chords. >_> Also I LOVE those old time pianos. :=D:
I'd just like to point out that it doesn't actually count as being challenging if there is no person actually playing it. :| It's not hard to program a piano that has the capabilities with the notes. >_>