lost folder titles

Hi, for some reason I lost the titles of folders in one folder where I keep all my music. It's on a shared network drive on another computer, but on my machine I have vista on, the folder titles are gone in all but the detail and tiles view. I didn't change anything that I'm aware of. It's rather annoying I'm used to keeping that folder in medium icon size and being able to scroll through quickly. Is this a bug or something that I may have inadvertantly done?
Thanks for any help!