Conversation so far:
when was irish tune from county derry written
The tune for Londonderry Air was published by the Society for the Preservation and Publication of the Melodies of Ireland in the 1855 book The Ancient Music of Ireland.
when were the lyrics for irish tune from county derry written
The various lyrics of Irish Tune from County Derry date back to 1855 or earlier. Danny Boy did not appear in print until 1913.
what instruments are featured in the classic arrangement of irish tune from county derry
The classic arrangement of Irish Tune from County Derry features beautiful, delicate part-writing for both woodwinds and brass, highlighting each family in turn.

Question: where was the composer from
Self-contained rewrite: where was percy grainger from