An international group of analog devotees are in the midst of producing a Sci-Fi film shot on 16MM film, with sound recorded on a Nagra III reel-to-reel deck featuring a music track using analog synthesizers (Moog and Doepfer, a Theramin, etc.).

Yes, this is a site devoted to vinyl but it is called "Analogplanet.com" so why not let you know about another all-analog project? The producers are looking for funding for "How The Sky Will Melt" via Kickstarter:

How The Sky Will Melt.