i dunno if this has been suggested, but i think there should be a feature allowing you to make your own Categories or Beatmap Groups while in game.
Take the TWEWY pack for example, you should be able to take the 7 songs in there and form 1 group and name it as you please.
Look over this
Take the TWEWY pack for example, you should be able to take the 7 songs in there and form 1 group and name it as you please.
Look over this