Katriona McFadden follows the story of a white cottage with a blue door in the West of Ireland, a postcard and the song.
The cottage: Dungloe, Co. Donegal
The song: "The Brightest Sky Blue" by Ian Smith
The postcard: "West of Ireland Cottage" by E. Nagele F.R.P.S.
The Curious Ear is produced by Ronan Kelly - October 2010