Modal D Tuning (D.A.D.G.A.D)

The open strings of the Modal D tuning form a suspended fourth chord, a striking tonality that is neither major nor minor (due to the lack of a third), though it is certainly possible to play in either major or minor keys.

The tuning is very close to the Open D major tuning since they differ only in the third string. Consequently, chords from the Open D tuning chart can be played on a guitar tuned to Modal D whenever it's possible to play the third string down one fret. Similarly, chords from the Modal D chart can be played on a guitar tuned to Open D by fingering the third string up one fret. For instance, the open position D minor chords are fingered