iTunes Tag Check Boxes

In order to avoid duplicate iTunes tags, is it possible to put check boxes next to each iTunes tag element to select for their inclusion? I process the feed from the Audio module through Feedburner and prefer to use their iTunes tag integration. Individually selectable elements is preferable to a wholesale iTunes tag toggle because it would still be nice to block certain audio nodes individually -- so the block element is still useful even if the subtitle and keyword tags aren't in certain cases.