Music Box Composer

Hello, I've been using the MBC for a long time to make punchcards for my YouTube channel . It's an invaluable tool for the job, and has paid for itself in ad revenue. Well done! Recently I purchased a Silhouette Portrait, a die cutter for crafting, and I've been using it to cut the holes out of leng...

SVG would be great. I do have considerable experience in coding, so if the MBC format is straightforward I could try making my own converter. A file specification would be nice, but I could figure it out myself if I have to.