My advice is to do things that bring you joy, and if there a hit then consider that an added bonus. I’m a computer programmer and some of my most popular projects were started by me being curious how something works without any intention of doing something with it. If I set out to do something amazing I would have failed outright.
So write a short story, then write another one. If you end up writing one you feel is with showing off then find a writing club to share it with, or post it to a blog. If that is successful then find a website or magazine to submit it too. Go on up the ladder till your the next Douglas Addams. But do it in many small steps, rather than setting out to conquer the world in one go.
Get a tin whistle, they cost nothing, are simpler than a recorder to play, and they sound great. You can find books or videos that will help you learn to play quite quickly.