Reviewing the world premiere, Anthony Tommasini of The New York Times wrote, "The title Metacosmos is meant to evoke a 'place beyond,' Ms. Thorvaldsdottir said from the stage. The music takes us on a journey to this realm, where we are drawn by a force beyond our control, amid a power struggle 'between chaos and beauty.' That description suggested amorphous music. But I was captivated by the intricacy of the sounds and colors. Ms. Thorvaldsdottir did indeed take us on a dark journey, episodic yet clear."[3] David Wright of the New York Classical Review also praised the piece, observing, "Metacosmos made a powerful impression in its debut performance, evoking an enormous vista of space and time in a 12-minute span with broad, artfully blended strokes of orchestral color."[4]