Known issue: Enabling “Biome and environment music” in the “Menu” tab causes a crash. To fix it, you need to manually edit the config file(config/creativemusicinsurvival-webui.json).
Choose which Minecraft music can play in each game mode and dimension.
http://127.0.0.1:56001/.Changes are applied immediately. Reset this page restores the selected tab's default settings.
The bottom player shows the current track. Use the next button to reroll it.(26.1.2 or later only.) 
