How little my personal variance in performance actually matters. The only ones that can tell a good day from a bad day by looking at or listening to (I am an or

How little my personal variance in performance actually matters. The only ones that can tell a good day from a bad day by looking at or listening to (I am an orchestra musician) the result is me. The only time it really matters is for big orchestra solos. I am a much worse programmer than bassoon player, and for programming amount of work put in matters a lot more. I still churn out mostly bad code, but the spectrum is a lot broader.