Rythmetic is a 1956 Canadian short animated film directed by Norman McLaren and Evelyn Lambart where numbers are the main characters. Rythmetic is a 1956 Canadian short animated film directed by Norman McLaren and Evelyn Lambart where numbers are the main characters. Rythmetic is a 1956 Canadian short animated film directed by Norman McLaren and Evelyn Lambart where numbers are the main characters. Rythmetic is a 1956 Canadian short animated film directed by Norman McLaren and Evelyn Lambart where numbers are the main characters.