Thanks a lot! A composed approach is indeed what I was aiming for. But at this early stage, I'm mostly figuring out what works for me and what doesn't, experimenting with different techniques, and so on. In the recording I shared above, I was trying to create the sound of a ghost train chugging into hell without using actual train field recordings.
I'm more satisfied with how my latest sound experiment turned out:
Feedback, thoughts, criticism. Everything is welcome!