"20 Hz" is a 2011 experimental documentary short film directed by Joe Gerhardt and Ruth Jarman.
- countries: United Kingdom, England, Japan
- language: English Language
- directors: Ruth Jarman & Joe Gerhardt
- producers: Ruth Jarman & Joe Gerhardt
- cinematography by Ruth Jarman & Joe Gerhardt
- genres: Experimental film, Documentary film
- released in (4 years ago)
"20 Hz" is a musical single of Hans Weekhout.
- released in (22 years ago)