| Have you taken it to a luthier to get it checked out? As Chris said, you could change the profile of the bridge to lower just the D string. Or it could possibly be related to moving the sound post. Ask an experienced pro luthier to be sure.
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"...it's easy to get lost in the euphoria that follows most gigs. There are all these people clapping, so you forget you sucked on the third tune..."
-Pat Metheny
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