• Mafe Izaguirre

Hybrid Soul Agency

*Field Notes

I am in search of a hybrid soul agency.

This visual essay I am presenting here denotes the space of resonance and noise generated between two objects, located at a close distance, both entities composed of plural bodies.

A Hybrid Soul exhibited in Posthuman Topologies at New Art City.

One body is made up of a pod of female whales that communicate with their calves. Whales depend on the perception of sound to survive. The range of action of other senses, such as sight, are significantly limited in the aquatic environment. Whales use a variety of sounds to communicate with and sense other entities contained in water. The mechanisms used to produce the sound vary from one family of cetaceans to another. The codes also called "songs," vary between families. Generally, it is the mothers who teach the language to the children. The word "song" is used to describe the pattern of regular, predictable sounds that some species of whales make. The low-frequency songs of a whale can travel 10,000 miles without losing its energy. The miles based on distance from Antarctica to the North Pole is 11,546.6 miles. A whale at the North Pole can communicate with another at the South Pole. Most of the frequencies whales use in their songs land between 30 Hertz (Hz) and 8,000 Hz (8 kHz).

The other body is made up of a group of young Yanomami women. The Yanomami tribe is located in the Amazon, between Venezuela and Brazil. Human beings produce voiced sounds by passing air through the larynx. Inside the larynx, when the vocal cords come together, the passing air will force them to alternately close and open, separating the continuous air stream into discrete pulses of air that are heard as a vibration. Guinness World Records reports says that "the normal intelligible outdoor range of the male human voice in still air is 180 m (590 ft 6.6 in). The silbo, the whistled language of the Spanish-speaking inhabitants of the Canary Island of La Gomera, is intelligible under ideal conditions at 8 km (5 miles). There is a recorded case, under optimal acoustic conditions, of the human voice being detectable at a distance of 17 km (10.5 miles) across still water at night." Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz. (Human infants can actually hear frequencies slightly higher than 20 kHz, but lose some high-frequency sensitivity as they mature; the upper limit in average adults is often closer to 15–17 kHz.)



1. Sound credits: Mabutawi-Teri—Young Women's Circle Song. David Toop, Lost Shadows: In Defence of the Soul (Yanomami Shamanism, Songs, Ritual, 1978) ℗ Sub Rosa. Released on: 2015-04-29. Music Publisher: D.R. Composer: David Toop. Website: www.davidtoopblog.com

2. The Audible Spectrum. Neuroscience. 2nd edition. Purves D, Augustine GJ, Fitzpatrick D, et al., editors.

3. In Guinness World Records website. Retrieved from https://www.guinnessworldrecords.com/world-records/farthest-distance-travelled-by-a-human-voice


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