Erika (German folk/marching song) - Synthesia

Erika is a German folk song written in the 30's. Many think it is a right extreme song but it's basically German Katyusha.
The blue part is an alternative left hand or an duet version.

Difficulty: Medium

I took references from these videos:
https://www.youtube.com/watch?v=ihK7K9gO7po&ab_channel=LudwigVolkslieder
https://www.youtube.com/watch?v=aTPbia3iu3o&ab_channel=FonTatus

Видео Erika (German folk/marching song) - Synthesia канала European Piano