Instrument: Tambor Alegre/ Freudentrommel Alegre: Glücklich, Froh, Fröhlich, Heiter, Glad, Happy, Cheerful, Pleased. Because of the violence of the armed conflict, more than 158,000 people in the Montes de María region of the Colombian Caribbean have been victims of massive displacement provoked by guerrillas, paramilitaries, drug traffickers and the state over the past three decades. Between forests and hills, the voices, melodies, and drumbeats have been silenced by the steel birds hiding in the concrete trees.