Snake is delicious. About halfway between chicken and tuna. 

Oh, a horse is a horse. 

My main thought is that now we’ve seen two of the three heads of the dragon with their riders. Did the prophecy ever say that the three heads would be working together? (or that Bran might not eventually warg into one of them?)

And don't forget Tim Choate.

“So what’s it to be, Captain America? Civil War?”
“Who’re you trying to find, Captain America? The Winter Soldier?”
“What are you supposed to be, Captain America? The First Avenger?”

Does that make Keith Richards a Ninja? Or is McCartney the Ninja? I'm so confused now.

Nice Dream. Not the most obvious one, but it presents such a beautiful idea, but it's all a complete lie…

I went the other way on the wind song. I didn't really like it during the first appearance, but appreciated it more each time it appeared - I found the repetition itself amusing (and of course it had a great culmination point).

I quite liked the sequel, Keyboard 2: Dvorak's Revenge. It was a bit slow and confusing to begin with, but it really picked up towards the end.