They were combined with digital and virtual analog (Nord Lead, Korg Prophecy, Roland JD-800, etc.) but this last one was purely analog.
I was expecting some like this from older footage even though its rare event
Yes its always like that, always newer bands are inspired by the older ones, an ex. Trent Reznor was inspired by Iggy Pop, just like Kurt Cobain was influenced by Sex Pistols.