The reactions of the human heart are not mechanical and predictable but infinitely subtle and delicate.
As to the effect of the wave on the air, we will suppose the water to be quite flat and the air motionless, a heavy undulation comes on the scene, it has to pass, so it pushes the air up with its face, letting it fall again as its back glides onwards.
There was always a lot of American music in England until, obviously when the Beatles came around, then there was a shift towards English music, but before then American music was the main thing.

