Now that I'm finally playing again, I feel like I'm back to my previous levels, or even better, after just 3 months of playing 1x week.
Having said that, there's also the 10,000 hours thing.
only... Deep sigh!
The closest we've done is just "more game time". The closest we've found is when learning a new tech doing a small project. But that is learning a tech and distinctly different from "practicing" the craft of programming.
But it still surprises me about the amount of effort to master the instrument.
I was wise enough at the early age of 12 or so to realize that whatever that "commitment" gene was, I didn't have it, so I kept piano a personal passion rather than try to go to school for it like my parents wanted.
Commenting as I have heard of fellow musicians sometimes performing almost ritualistic steps or 'cargo cult' emulations of 'famous' musicians to try and replicate their success.