Merriam-Webster definition 1b:
to get rid of (something troublesome, menacing, or oppressive)
some thoughts
‘to get rid of’…feeling ‘off’…to get into alignment.
externalization and acknowledgement of the feeling may be part of it. the feeling is expressed without forcing coherence or closure.
flow (the pure enjoyment of the process, the loss of self and time) may be part of it too. perhaps more so. non-linear, undirected expressions…unencumbered by self-consciousness…loosely woven together by aesthetic whims.
experimentation and tweaking; an intuitive sense of how to find an asymmetric balance.