Stalin claimed the mantle of successor to Lenin and made the claim stick. He would go on to gain a degree of power in the USSR far greater than anything Lenin ever held, or even dreamed of.
Strangely, although motion pictures and sound recording were invented around the same time, it took thirty years before the technology to link them came together. Sound changed motion pictures, not always for the better.
Fascist governments are run on the views of the fascist leader, more than a written ideology. And what does the leader want? At home, to celebrate "our" superior culture; abroad, war.