Personal site of Alex Brown — writing about software engineering, side projects, and things I'm building.https://alexbrown.io/https://alexbrown.io/blog/building-for-fun-again/https://alexbrown.io/blog/building-for-fun-again/I started programming because I thought it was magic. Then it became my career, and somewhere along the way I stopped building things for fun.Thu, 19 Mar 2026 00:00:00 GMTAlex Brownhttps://alexbrown.io/blog/teaching-a-machine-to-listen/https://alexbrown.io/blog/teaching-a-machine-to-listen/I trained a neural network to detect musical keys from raw audio. The trick that made it work was embarrassingly simple.Sat, 21 Feb 2026 00:00:00 GMTAlex Brownhttps://alexbrown.io/blog/hello-world/https://alexbrown.io/blog/hello-world/I've been building websites since I was 14. After years of losing the spark at big tech, I'm back.Fri, 20 Feb 2026 00:00:00 GMTAlex Brown