G-flat major
In measures 28-52, Whitacre draws the listener by invitation on a "crescendo" to "drink in [...] eyes [...and] waters", until one can finally "open your eyes". In the single climax chord of "eyes", divided sopranos, altos and tenors sing a tone cluster filling in all diatonic notes between A5 and E4, while the basses support with the submediant, a G-flat major chord "(see "Figure 1")".