What you compose with is neither here nor there, you compose with words, or you compose with stone plants and trees, or you compose with events; the Sheriff's officer, or whatever.
Mistakes are almost always of a sacred nature. Never try to correct them. On the contrary: rationalize them, understand them thoroughly. After that, it will be possible for you to sublimate them.
I think it's a pretty good day if I can get through it without lifting a finger.