Attention K-Mart Shoppers: Piped Music Collection on the Internet Archive
Captain Pedantic checking in to remind our viewers that at a quick glance this does not appear to be Muzak (EDIT: no, that is definitely not Muzak), but rather ambient music played in K-Mart stores. Muzak is a specific brand of ambient music, which appears to suffer the same fate as Kleenex and Xerox:https://en.wikipedia.org/wiki/MuzakThat page is worth a read, if only for the means of distribution used over the years. But do I ever digress...