Well I really don't know anything about going to concerts, but what I
do know is web design. The colors seem a little plain to me, but nothing really wrong there. I just personally like colorful things, so of course that would sway my opinion on the subject.
The biggest thing that caught my eye, though, was the page width. My ruler shows the total content area of the page to be around 590 pixels in width. That leaves you with around 400 pixels of unused space, at least at my screen resolution of 1024 x 768. Now, this might not look so bad if the content (sidebar included) of the page were in the center of the screen, rather than aligned left. I would suggest doing one of two things:
- Center the containing elements of the site, so it doesn't appear so small to the eye. Sort of a visual trick I guess

- You could also make the main content container of a fluid width (such as a percentage or em width) so that it will resize itself based on the user's screen resolution. The two most common screen resolutions are the aforementioned and 800 x 600, although as people continue to buy new computers with new monitors, even 800 x 600 will diminish.
Of course the second option is not only a little harder to pull off, but it might not be what you are shooting for in terms of design. The other thing I noticed, although it is more aesthetics than anything else, is that it seems you need a little more padding on the right for your Logon and Search boxes' content. Three to five pixels should do wonders in matching it up better with the left side. In fact, if you don't have left padding set, now would be a good time to do that.
Oh yeah, I almost forgot. At least in Firefox 2, the Go button for the search box overlaps the input field above it by about three pixels, at least as far as my eye can judge. Not sure what's causing it to do that, nor do I have time to look into the matter for you. Just have the time to give you the heads up. Anyways, from what I can see it looks like you're doing a pretty good job so far. Good luck with your site!