GMU:The Unstrument/Angelica Sohn: Difference between revisions

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File:1949.png|tube with mic inside
File:1956.png|tube suspended

Revision as of 15:28, 11 March 2016

The Unstrument


Sound Drawings

1. Sounds from a space

These sound waves are a coalescence of the musical presence in my living space. I share the living space with three music students, who all study different subjects: conducting, singing, and percussion, and their various backgrounds transform our living environment into a unique, musical space. The waves do not necessarily represent specific kind of sounds each flatmate makes but the overall sound heard from different parts of the apartment.

2. Moving Mouths This drawing was done while watching a soccer game on television. Although I am not a fan of soccer, I have always found the energy at sports games contagious. I was in awe of the fans who were united in their love for the sport and the team; they were filled with excitement and absolutely exuding it. What would it be like to be one of thousands mouths generating emotional sounds at the same time? How would the shape of the mouth change at different points of the game?

3. A fond memory For the last drawing, I thought back to a simple but very fond memory of mine – when my parents and I made homemade dumplings in our living room. It was a very normal night for us. The TV was on in the background, and we were sitting on the floor, putting the stuffing into the dough. I remember my dad decided to help out; together, the three of us just talked and made dumplings together. At one point, we laughed so hard at my dad’s joke that I cried. The sounds from that memory are the best sounds I can imagine. These sound waves not only represent the highs and lows of the event but also what our laughter looked like. They were similar in form and volume.


Aliens Can’t Sing is an exploration of relationships between two loudspeakers, loudspeakers and us, and us and the space. Anything that makes sound has an identity, and as objects that give us amplified sounds, it asks us to consider its identity in an enclosed space. When the two loudspeakers play different sounds for each other, as if two people are talking to each other, how does this affect their primary purpose?

Another goal of the experiment was to physically feel the sound waves with our body, not just through our ears. When the loudspeakers produce slow beats, we can use different materials to physically witness the vibration that travels through the air, our hands, and the materials.

Lastly, having two speakers face each other is a message on the way we can use our environment. The reverberations from the speakers are only detectable in the materials and our hands because the speakers are so close to each other. It is like a secret meeting; a personal connection. Had they been placed farther away, the strength of the vibrations would not have been as noticeable.

Piezos/radio waves

With Erin's new schematic using IC LM386, we decided to try a couple different exercises. The first was a feedback loop using a piezo element. By trying out different surfaces with different measures of hollowness, we experimented with the length of sound, the pitch, and hollow materials that can become a speaker. The Constancy of the loop was something distinctly different and inspiring, in that the inputs we had used so far primarily came from the schematics, different resistors and capacitors, and speakers. This time, the material which served as the sounding board also became the source of the sound, creating an infinite loop. The simplicity of it was quite beautiful.

[Feedback Loop]

Then we experimented with capturing radio waves, using the open wires, speakers, and the same schematic.

[Radio Waves 1] [Radio Waves 2]

Final Assignment – Electronic Drehorgel

A Drehorgel, or a barrel organ in English, is a mechanical musical instrument consisting of bellows and one or more pipes in a highly decorated wooden case. The principle is the same as a pipe organ, but instead of having an organist, the barrel organ is activated by a rotating crank or clockwork driven by weights. By adding on to the basic principle, I have decided to make a modern drehorgel that is made up of electronics.

The mechanism itself is quite simple compared to the original design of a Drehorgel. I placed a plastic cylinder filled with different materials in the middle of a square made with metal frames. With a handle attached to one side and the piezo microphone going into the other, I can control the rate of how fast the "Drehorgel" will rotate.