So, along those lines. When you finally get things setup and calibrated, watch the ending credits to For All Mankind, S1 Ep 10. They mixed Tears for Fears "Everybody Wants to Rule the World" and the sound stage is phenomenal. Feels like you are in a concert hall, makes the room feel so much bigger than it is.
On re-watching the show, I've noticed that the sound engineer they hired for For All Mankind really knows his stuff. The Atmos mix is phenomenal, especially at the beginning and end when they use some big name songs in the credits.
I do have some Dolby Atmos raw demo files, and I own Hans Zimmer "Live in Prague" which is an Atmos mix.