Beats that occur in rapid succession are heard as a rhythmic unit. Within each unit, the unaccented beats are heard as a subsidiary grouping. Which statement is probably the LEAST defensible given these two sentences?
The unified perception of beats occurring in rapid succession illustrates the principle of proximity.
The grouping of the unaccented beats illustrates the principle of similarity.
The unified perception of beats occurring in rapid succession illustrates the principle of closure.
The grouping of the unaccented beats illustrates the principle of proximity.
