The Piano Overlord album Aninha Mission charts the hopeful course and eventual disillusionment, rejection, and isolationism of an island immigrant to the United States, with particular consideration to Cuban and Haitian refugees. With no words, the listener must rely on the emotional tones of the music for interpretation. Herren plans to donate the artistic proceeds of Piano Overlord releases to various relief funds for immigrants. It's the type of money-where-your-mouth-is activism that will further delineate this project from the abstract theory of other socially conscious music.