Here's the 1650s version (it's not clear from the site which edition they used, but they are probably identical). No italicization.

http://www.izaak.unh.edu/nhltmd/indexes/dancingmaster/Dance/Play0303.htm

Choice of typeface was often a bit random in this period, and the Playfords weren't exactly perfectionists (as that wonky sample shows). In 17th and 18th century printing it was quite common for job titles to be italicized in the same way as names.