The literary theory of vernacular song: update

 Ingrid Nelson tells us how she has further developed her material on the literary theory of vernacular song:
 
I have developed the talk I gave at MSN 2011 into an article, "What is a Medieval Lyric?" (currently under review.) This material also figures in my current book project, tentatively titled "Tactical Vernaculars: Genre and Social Practice in Later Medieval England, from Walter of Bibbesworth to Chaucer."
https://www.amherst.edu/people/facstaff/inelson