The text of Ecuatorial is taken from the sacred book of the Maya Quiché, The Popul Vuh (in the Spanish translation of Father Jimines), and is part of the invocation of the tribe lost in the mountains, having left the City of Abundance. Scored for 4 Trumpets, 4 Trombones, Ondes Montenot, Piano, Organ, Percussion and Bass Voices. Duration ca. 17 minutes.