
The DADGAD tuning is an alternative guitar tuning most associated with Celtic music, though it has also found use in rock, folk, metal and several other genres. Tuning to DADGAD from standard is accomplished by tuning the first, second and sixth strings down a whole step (two frets). The result is an open D suspended fourth. Being suspended, the open tuning is neither intrinsically major nor minor. The suitability of DADGAD to Celtic music stems from the fact that it facilitates the use of a number of moveable chords which retain open strings. These act as a drone on either the bass or treble strings, approximating the voicings used in traditional Scottish and Irish pipe music. "Skye Boat Song" is an easy fingerstyle arrangement of a beautiful Scottish air played in DADGAD.