There’s a difference between what is good enough to write and play vs. what is good enough for others to want to listen to.
(But the first one is a healthy marker that second one might pan out too.)
It’s worth writing something that is simply good enough to write.
Then there’s a shift that must happen…it takes intuition and professional prowess to ask and answer, ‘It was good enough to write, is it good enough to share?’