• for any disc is registered like vanilla (MoreMusicDisc, Create:Connected,etc.)

• Disc Display Textures for Cat - C418

assets\ongakumod\textures\vvs_decor_custom\music_disc_cat.png

• Album/Cover/Sleeve Display Textures for Cat - C418

assets\ongakumod\textures\vvs_decor_custom\music_disc_cat_cover.png

• The system check for files in assets\ongakumod\textures\vvs_decor_custom, specifically looking for [disc id].png AND [disc id]_cover.png
• [disc id] ive seen usually looks like "music_disc_cat", "music_disc_13", "music_disc_creator". can check by hovering on music disc in F3+H

• Unique handling for unique sets of music Disc

• Disc Display Textures for Bubbly - GoodKid

assets\ongakumod\textures\vvs_decor_custom\etched\etched_music_disc_goodkid_bubbly.png

• Album/Cover/Sleeve Display Textures for Bubbly - GoodKid

assets\ongakumod\textures\vvs_decor_custom\etched\etched_music_disc_goodkid_bubbly_cover.png

• etched_list.json

{
  "[url]":"[song_id]"
  "https://goodkid.bandcamp.com/track/bubbly": "goodkid_bubbly"
}

• Since Etched allows custom online songs for disc, the simplest solution is to use check for matching URL, if the Disc use the same URL as the json file, it will use the textures that has the same id given in by the json.