Helping wherever I can for those who ask I've made a Discord sever for Doujin Music album releases. Join here I am keen to map dark/creepy/horror/deep meaning Vocaloid songs. Suggest to me any if I missed out any!
Mapping Pokemon? Check out my Pokemon Metadata Library!
In it contains a lot of useful information, as well as an assortment of official sources, that you may need for the metadata of your map.