Riffusion, a free and open-source tool that uses Stable Diffusion to generate music from visual cues. Riffusion recently secured a $4 million investment after its creators pivoted it into a commercial enterprise. The generative AI tool has drawn interest from tech entities such as Meta, Google, and ByteDance, and has the potential to revolutionize the music industry. However, the blending of AI with the arts remains a sensitive topic, with concerns about copyright violations and ethical issues.