I Ran a Neural Network in a Browser Tab to Split a Song into Stems

Last week a friend sent me a voice memo. "I found this incredible bass line in an old soul track," he said, "but I can't isolate it without paying $30/month for some cloud service that wants my email, my credit card, and probably my firstborn." He's not wrong. The audio stem separation landscape in 2026 is a mess of subscription walls and cloud uploads. Most tools send your audio to a remote GPU, process it, and send back the stems. You get results in minutes, sure, but your unreleased remix ide