Verkligheten by soilwork. It’s my go to benchmark for detail retrieval and imagining soundstage. There is a subtle crunchy sound that rotates 360 degrees around you that I’ve only heard a couple headphones reproduce.

Susvara, empyreans, utopia, and verite were all able to do it, utopia did it the best and the other three it went in and out a little.

Notably the lcd4 could not which was surprising to me. To be fair the detail is specifically in the air region which means tuning can play a part but most headphones and speakers won’t even retrieve it.