ISBN 0946005931. Discover the quintessential Irish tonalities and hamonies of the DADGAD tuning system, and how to apply the tuning to all you solo and session playing. This comprehensive book provides clear details of chords, scales and their use in the melodies of the Irish tradition. As with any open tunings, the harmonic possibilities of combining melodies with chiming open strings will add a unique richness and warmth to your Guitar playing.