There is also an artist named Alma Delia Pérez on Apple Music; the file might contain tracks from her discography.
How to pronounce Alma Delia Fuentes (Mexico/Mexican Spanish) Alma Delia (P).rar
Alma Delia Alarcón-Rojo is a published researcher; the file could be a compressed set of research papers or datasets. Security Warning There is also an artist named Alma Delia