Hi, Kat, and everyone...I mentioned in the comments on Kat's entry that my normal method of reducing color cast didn't work on this photo. I'm sure it was because it's lighting that caused it...and after posting that, I went back into Photoshop to try something different. Here's the result of that attempt:
This is by no means perfect, but at least the wood of the guitar neck looks more natural. The biggest problem is that there's so much digital noise in the photo because of either high ISO or just plain darkness. All I did to this was apply a Filter...the Photo Filter. I applied the Cooling Filter (82) at about 50% density. It looks a bit magenta, but I think a bit more work would take that away. Kat...does this help at all???