Set in three locations across New York City, “Every Moment Alters” captures the intense dislocation and unique disquiet that still lingers. Director Liz Sargent and choreographer Pam Tanowitz evoke a shadow of memory, of how the past is the present and continues to shape the future. The screen splits and fragments, phrases catch and repeat in music by Caroline Shaw. “The ability to forget is actually part of what makes us human...”