Just convert your music into a video with a still image and use 3Speak; But I think I mention that before :) Owwww, I think 3Speak has a maximum upload in amount of GB (3,5 or something), but shoud be fine with a still image and sounds.

Your post of a few weeks ago you 'lost', is here: @quinnertronics/20201005t142134543z-are-you-afraid-of-the-dork-halloween-song