Open G tuning is an alternate tuning favored by Keith Richards and requires the guitar to be tuned to D ... here in open G, the low string is a D. It’s still a note in the G chord (G-B-D ...

The acoustic guitar ... to open G), but the open D strings do allow us to stretch out a little. In case you haven’t already guessed, the add11 (D) is our trusty open first string! Open tunings ...