Jill is correct. It's not even disguised. The 'improvisation' is on that song. Of course I'm referring to the first one.
chas
I don't think you read my Original Post.....
personally I know your both very incorrect with
"Somewhere" from West Side story...
@5:35 of which I am well familiar with and have played hundreds of times...
Jerry's answer makes sense to me for now..