I actually think this is an interesting question because he kinda challenges conventional wisdom on this one. As I’ve been learning the electronic side of production, there are a lot of themes that come up about how you make a track interesting. For example, layering, constantly changing elements throughout a track to create interest etc. I believe (from the interviews others have posted here) that there’s an element of live performance to his productions, to the point that there are mistakes in them.
What’s interesting to me is that The Field doesn’t do much of the changing up of elements, or if he does it’s barely audiable. One thing I have noticed is that changes throughout a passage are often super slow to take place. For example, he might use a phaser or chorus sound on something. Normally the advice would be to resolve that within a 4 bar loop to take you into the next one, but The Field will run it out over maybe 4x 4 bar loops to the point that you barely notice it. For example, take a listen to the snare on Morning. At the start, it sounds ever so slightly different to the later part of the song. Maybe it’s a slight change of pitch or a minute difference in ADSR on the sound, but either my ears are playing up (possible) or there’s a very slight change as the song progresses.
Not sure if this explains anything, but those subtle changes (imagined or otherwise) go some way to creating that hypnotic, trance like state you get into when listening to his stuff.