Wednesday, March 18, 2015

Chiaroscuro - Optimal Resonance

Chiaroscuro and the Quest for the Optimal Resonance (turn volume all the way up...Logan's laptop cam wasn't working)

This was a pretty interesting article, as it references concepts we’ve been learning about during the term, and applies them to different techniques for finding the optimal resonance aka “chiaroscuro” or “bright-dark”. The term was coined by Italian voice teachers Mancini and Lamperti, where this “chiaroscuro” is the optimal resonance as a balance between light and dark timbres. This is a difficult task for voice teachers as perceptions for light and dark timbres and resonance differ from student to student, and each student’s voice is different. However, one relatively constant variable to “chiaroscuro” is the variable of fundamental frequency.

During balanced phonation, the vocal folds vibrate at a fundamental frequency that produces overtones (both light and dark). At this fundamental frequency measured in Hz, sound is at its loudest resonance. The tones produced at these frequencies are often on one side or the other on the scale of light and dark. A bright tone (which can be nice) often times dampens lower frequencies and darker qualities. The same can be said with a dark tone where brighter qualities are dampened and the sound loses a certain quality. When the tone is in the middle where both bright and dark tones and qualities are balanced, the phonated sound is the most resonant and balanced. The sound naturally becomes richer, fuller color, stronger, etc.

One way students search for “chiaroscuro” is by using “placement” terminology. The sound sounds to the singer as very resonant and intense because the articulators and resonators act as a vibrator for the sound and vibrate the singers’ head. The singer can “feel” the sound in their head and seems very intense. Of course, the way phonation and resonation occurs is what we’ve been studying all term i.e. breath, articulators, registration, etc.  but all this changes at different frequencies. For example, the embouchure changes when a singer sings a C5 and a C6. The resonators and the articulators need to change and readjust to achieve chiaroscuro.

There are a few new ways teachers are teaching/ visualizing chiaroscuro to students. One way is a very visual way where teachers use spectrographic technology to show resonant sound waves so students can test different resonances and have a visual cue to what “sound” is chiaroscuro. Another way is more aural. Teachers can have students sing the extremes of a dark tone and a bright tone, hear what the extremes sound like, and find a middle point where there is a balance between the two extremes. A third way (a really unusual way) is to physically move your articulators i.e. your jaw and “tune your mouth” until you can match pitch. Lastly, the final technique is “scurochiaro” which is “dark-bright” where instead of adjusting resonance from bright tones to dark, it is adjusting from dark to bright.


These methods are not a %100 guarantee to achieve “chiaroscuro” but they are possibilities and tools for teachers to help students find their balance. “Chiaroscuro” is a goal and these techniques are possible tools to achieve that goal of optimal resonance.

www.youtube.com/watch?v=oRN9KrzGcGs

4 comments:

  1. I have definitely seen the visual and aural ways used to teach chiaroscuro, but the physical way is new. Interesting!

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  2. It's an interesting use of the word, since in painting the term simply describes one technique, while here it is being used more to describe a sound ideal that various techniques must be applied to in order to achieve it. I think another way to think about it is that trying to apply excess brightness or darkness to your tone is just artificially messing with your most natural, healthy sound.

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  4. I do a lot of renaissance music at church and we look for chiaroscuro. I'm experimenting with the feeling of it as the singer in my own voice.

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