Hey there, In any standard triadic open tuning (open d/g/c or any whole/half step up or down) you have to figure out how you want your third tuned. (f# in D, b in G, e in C, etc...). If you'll be playing on the string a lot, tune it for a perfect fifth on the third fret. (So you fret the f# up to an A note and tune to all D and A--very easy to tune). If you'll be leaving the third open a lot, tune it as sweetly as possible (or to the mood of the song). Usually, you'll want to tune the third to slightly less flat of an equal temperament third (the one your KORG tuner would say). This is the o
