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Beats in the measure and counts on notes
Social protest is anything that displays disagreement of a cultural practice, norm, or circumstance.
Political motive is what drives politicians and leaders to instill changes or take positions on subjects in order to further their power.
Social protest is intended to create awareness of an issues or several issues in order to increase support and further change. Political motive is to increase political power, and any other resulting accomplishments are considered a bonus.
Holes cut in the stone of the wall and filled with stained glass are called plate tracery, elaborated based on stone blocks or "plates" that are part of the muraría structure, in order to create a perforated pattern. It arises at the end of the XII century and the beginning of the XIII, before the need to add a decorative motif that would not leave bare the ashlar area that was free when two or more lancets were placed next to each other under an arched drip molding.
It could be a simple three voice melody
