I was elbow-deep in a late-night coding session, caffeine-fueled and staring at a half-finished music video concept for my band's new track, when I thought, "What if I could pull this off without dropping a dime on software?" That's the moment I decided to go all-in with free AI tools, stringing together image generation, animation, and audio in a way that felt like hacking together a masterpiece from scraps. Fast-forward a few hours, and I'd actually built a full music video using nothing but open-source and free resources—it was rough around the edges but insanely rewarding. If you're a developer or creator looking to do the same, let's break it down step by step, just like I did. The Spark: From Concept to Execution It all started with that random idea: turning a simple lyric video into something dynamic. I had a melody sketched out on my phone, but no budget for pro editing suites, so I turned to AI as my secret weapon.…