Rhythmus 21 Poster Rhythmus 21 Amazon » eBay » The film "Rhythmus 21" is 3 minute from 1923.. Rhythmus 21 Details Title: Rhythmus 21Year: 1923Duration: 3m Rate this title Have you seen Rhythmus 21? Rate it between 1 to 10 below. Log in to your account if you want to rate this title.