Among alternative tunings for the guitar, open G tuning is an open tuning that features the G-major chord; its open notes are selected from the notes of a G-major chord, such as the G-major triad (G,B,D).
To get your guitar into open G Tuning (D G D G B D) from standard tuning. Lower both E strings a whole step to D and lower your fifth string from A to G.
Strings two, three, and four stay the same. This is an important thing to remember because it means that everything you already know in standard tuning on those three strings—chord shapes, scale patterns—still applies.
Ry Cooder used it on Dark End Of The Street which is in the Key of G. However on tunes like Tattler he leads with the V chord and plays in the key of D – a very interesting approach.
Mark Knopfler, of Dire Straits, used the open G tuning on “Walkin’ In The Wild West End,” and “Romeo and Juliet,” though, in both songs, the open chord was the IV (subdominant,) chord, not the home (tonic) chord of the song. On “Romeo and Juliet,” a capo was placed on the third fret.
This is the Backing Track I used to improvise some slide licks in open G Tuning. I improvised my solo and came up with the 5 licks tabbed out below. in open G Tuning. You can download the Bscking Track and a PDF of Liks at bottom of the page.
In this 2 bar phrase I start the lick by leaning on the b3rd (The Bb note) followed by the tonic note G. In the second bar I use the 4th ( C) to start the phrase and use a major G triad at the end to thicken up the sound – a nice element of open G Tuning are the 3 string major triads you can easily grab with the slide.
This lick starts with the flat 7th note F followed by a triplet phrase that takes us back home the root note G . In the second bar I use the flat 7th again but an octave higher – really listen carefully to your pitch when you stretch out to the 17th fret to follow the phrase through back to the tonic note.
Here are 10 chords you can play in Open G Tuning. I have left out the most obvious shape which is of course all the open strings.