Back in '05, George Seto posted Audley's complete 2002 summary of his scrupulously detailed 2000 article. It's fascinating:

/mudcat.org/thread.cfm?threadid=22761#1290496

As a force in culture, "The Londonderry Air" had to wait for the appearance of "Danny Boy" in 1913. Though occasional words had been written to it by late 19th century poets like Alfred Graves, it was little known before then, being buried in Bunting's pricey collection under the uninviting non-title of "Air."