У вашего броузера проблема в совместимости с HTML5
Stranger Things Theme sheet music & midi: https://symbiosepiano.com/sheet-music/stranger-things-theme/
Stranger Things piano tutorial: https://youtu.be/SjeDqOGfEjc
I really enjoyed Stranger Things' first season, and I'm now waiting for season 2! The opening is very simple but too short, so I had to make it a little longer. Anyway, here is Stranger Things' Main Theme!