Rythmetic

The film was made in 1956 by Norman McLaren and Evelyn Lambart for Canada's National Film Board. McLaren, a Scottish-born Canadian, pioneered the use of stop-motion animation of abstract shapes synchronised with sound, using the same technique adopted 25 years later by Rod Lord for his seminal work in producing the animated book sequences in The Hitch-Hiker's Guide to the Galaxy BBC Television series.