List of music discs that this mod adds:
By C418: Wet Hands, Sweden, Moog City 2, Key, Door, Subwoofer Lullaby, Living Mice, Moog City, Haggstrom, Minecraft, Mice On Venus, Dry Hands, Beggining
By Lena Raine: Firebugs, Labyrinthine, Aerie, Left To Bloom, Ancestry, Wending, One More Day, Infinite Amethyst
By Tanioka Kumi: Floating Dream
You can find those music discs in structure that generates in plains, taiga, forest and dark forest
Sadly no structure on 1.18.2 and 1.16.5 but you can Craft music discs with blank disc (9 blank disc fragment + crafting = blank disc) blank disc fragment drops when creeper gets killed by skeleton
Mod author/owner
RybaStefek