I'm happy for you. Something similar happened to me. As a teenager and young man I dreamed of becoming a professional musician. That didn't happen. I did a variety of things setting on being a machinist and later, degree and wealth of experience in hand, manufacturing engineer. It was a great life, interesting and challenging. I retired in 2017 aged 67.
Now in retirement music is what I mainly do for love.* I even get paid sometimes, so I guess I am a professional musician!

*Plus writing here on Medium. I also edit for Contemplate and MuddyUm. Plus I have a Substack.