Schumann "Eintritt" (from Waldszenen)

The piece that starts Waldszenen (Forest scenes) is "Eintritt", an Entrance into the forest. The pleasant melody shifts between the hands but for some reason Schumann has written most of the piece like it's metrically offset within the 4/4 time signature.

Video: https://youtu.be/s7OI-OcUVko