Pandora,
       Your point about the heirarchy of song and verse is totally at odds with a recognised view held by the reviewers and scholars of then and today. In Suffields "A Treatise on Verse and Diverse Scriptes" (1744) he was quite emphatic that his pupils would, from first principals, lay great importance on the alphabetic structure ensuring a result that would cast aside any heretical implications. Slang, or "jingle" as he would have it, was to play no part in his pupils` literary output and there is on record an instance when the young daughter of Thomas Winman, merchant and magistrate, fell foul of her tutor and was punished by being....
Oh dammit! wrong thread.