The Christmas SID player is based on the STM32 SID Player by Bashika. You can purchase one of these Christmas SID players from texelec.com: https://texelec.com/product/christmas-sid/ Donkey Kong SID: (from the 8-bit dance party) https://csdb.dk/release/?id=151272 Clint over at LGR did a more in-depth video on the Christmas SID: https://www.youtube.com/watch?v=yiCgZ6D4wdM