[VIDEO] Best mash-up I’ve seen of old dances with new music

There are lots of enjoyable videos floating around that show clips of old Hollywood musicals put to a modern pop soundtrack.  This video, though, has the single best match-up I’ve ever seen, matching perfectly the pacing and rhythm of the old dances when compared to a modern song — the song in this case being Mark Ronson’s smash Uptown Funk.  Color me impressed: