Not a major spoiler অথবা anything! The লেখা is in Japanese but the graphic view is HD and it's very clear and everything and so I watch it from time to time:)
This guy playing it is AWESOME!!! Listen to it all the way through and you'll see how he adds to it and changes it but still keeps it KH-like, it's really cool! ^_^
One of the পিয়ানো সঙ্গীত specials from the Kingdom Hearts: পিয়ানো Collection CD!:D This one is one of my fav's and I listen to it a lot whenever I'm writing:)