For a first attempt at an EP, I do think it was an interesting choice to start with one based around a gimmick. Truth be told, I'm not a big fan of these songs. 4D and 5D are the highlights for me, but they are just alright. This EP would probably be ranked higher if 1D wasn't just a single note for a full minute.
Retrospective review:
I had a clear artistic vision, and it turned out solid. I tried to represent each dimension musically, and while some are lackluster, 1D and 5D specifically, it does a solid enough job of portraying their respective dimensions. 6/10
1D: 3/10
2D: 7/10
3D: 6/10
4D: 8/10
5D: 5/10