Folk Music and Dances of Ireland
by Brendan Breathnach

This book is a primer on Irish music and dance. It gives explanations and historical context for Irish traditional music, the structure of tunes, types of dancing, the dancing masters of old, and musical instruments played in traditional music. It also gives some tunes and songs and list of historical source recordings and where they are archived.

This book does not give a lot of instruction on traditional singing, but is essential information for anyone serious about understanding Irish traditional music as a whole.