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Experiments in Agent-based Sonic Composition


John Cage’s “Music of Changes,” which was composed using a random component from the iChing.
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I perform and write music, normally acoustic, and usually for a single guitar, harmonica, and voice. I am traditional in my choice of instruments, they are basically “old” technology. On the other hand, I am also fascinated by the idea of robotics in music. The idea of artificial, autonomous music creators that work alongside human musicians. John Cage used the iChing to make choices about musical form in some of his compositions, including “Music of Changes” above, which has some of that flavor. It is music that is composed, not just performed, by a partially artificial means–by a non-human actor, the iChing.
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In my work as an economist, I develop autonomous software programs that simulate economic actors in a process called agent-based modeling – the construction of independent pieces of software, which simulate real agents in the world, that interact and form patterns that transcend any single agent’s behavior. Recently I realized that agent-based modeling might be able to be applied to the construction of music: creating individual artificial decision makers which might together construct a piece of music that transcends what any one of them can do.
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Think of a swarm of bees or a school of fish. Once biologists thought that schools of fish had a `leader fish,’ a single fish that would direct how the school would move. Biologists also once thought that the queen bee was the `leader’ of the hive, that it directed behavior of the bees in the hive. Both of these beliefs have been shown to be false. There is no leader in a school of fish. On the contrary, each fish responds to local information and then the co-ordination which arises on the school level emerges from this system of individual choices. The same with bees…the queen plays a part in the hive, like all the bees play parts, but there is no sense in which she directs the others. There is no bee that is in charge.
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Here is a video of my colleague Hiroki Sayama’s `Swarm Chemistry’ in action. The specks you see on the screen are individual agents, dumb agents, who react to their environment, which is other local agents. There are no leaders here, there is only group behavior.
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In this clip, you can see the swarms which emerge. The music is incidental in this clip; not a result of the swarm behavior.
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I have begun an experiment in agent-based sonic composition with the idea of emergent behavior and agent-based modeling in mind. In this video I show my initial foray into this world:
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The agents in this video are small triangles that seek a well, and eventually learn (sometimes more effectively, sometimes less effectively) where that well is. What I have done to add a sonic component is to assign each agent an instrument, and assign the agent’s proximity to the well to the pitch of the note they create.
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“Random” sounds created by a computer are nothing new. And, frankly, I find them uninteresting. No depth, no humanity. But I think agent-based sonic composition might be something different. These agents are not simply random (although indeed, their behavior has something of a random component, or seemingly random component). They are goal-seeking, they are purposeful, and the sound they generate is a function of their effectiveness and path in pursuing that goal. I think this purposefulness can be heard in the sound the create. There certainly isn’t a melody, but there is a story being told, some kind of struggle being documented.

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Swarms, too, are not simply random. Though swarms may be composed of elements have that have randomness in them, they are also structured. If Music is sound with structure, and complex systems is the study of emergent structure, there could be a genuinely interesting music that might emerge from a well-constructed agent-based approach to sonic composition.
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I’m not convinced what I have is there yet. There are not interesting interactions between these agents, and there is not a structure to their sound that has depth – yet. Perhaps the next step is to tie the goals of the agents more explicitly to music making. Perhaps there can be melodic agent who moves on a predetermined path, and the other agents try to follow that agent, and hence the sound that comes out documents their struggle. Maybe the agents’ notes should be restricted to scales, so that it sounds less chromatic. Or, perhaps, as I suggest in the video, there can be some agents which control rhythm and others that control pitch.
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To be clear: I wouldn’t just listen to this. I don’t know if I would call it “music” yet. But I think it may get there some day.

Andreas Duus Pape: is an economist and a musician.  As an economist, he studies microeconomic theory and game theory—that is, the analysis of strategy and the construction of models to understand social phenomena—and the theory of individual choice, including how to forecast the behavior of agents who construct models of social phenomena.  As a musician, he plays folk in the tradition of Dylan and Guthrie, blues in the tradition of Williamson and McTell, and country in the tradition of Nelson and Cash.  He plays acoustic guitar, harmonica, and voice: although the technology of his musical production is a hundred years old, his ideas are often quite modern, and he covers songs as old as early last century and as recent as this one.  Pape is also an assistant Professor in the department of Economics at Binghamton University, where he teaches microeconomic theory at the undergraduate and graduate level.  He is a faculty member of the Collective Dynamics of Complex Systems (CoCo) Research Group: http://coco.binghamton.edu and considers complex systems and agent-based modeling to be central to his research

The Victoria’s Secret Fashion Show and the Soundtrack of Desire

Victoria's secret show 2008

"Victoria's Secret Show 2008" by flickr user cattias.photos under Creative Commons license

As a consumer, you’ve experienced desire: that longing for someone, that appetite for something more, that expectation of pleasure and satisfaction that comes from getting what you want.  Whether what you want ranges from an ideal body type, to a cool technological gadget, to fashionable clothes or new cars, someone beautiful is out there selling it to you—beautifully.  If you’re like me then you’ve found yourself suddenly and inexplicably under the influence of desire, only later trying to understand where your money went.   If you’re a lot like me then you’ll eventually realize that desire has this effect because of the way it looks and, perhaps more importantly, because of the way it sounds.

One of the more interesting snippets of what desire looks and sounds like right now is The Victoria’s Secret Fashion Show (VSFS), which aired on November 29th and rebroadcast on December 15th.  Rappers and rock stars serenade the audience while Victoria’s Secret Angels don Swarovski crystal-encrusted lingerie and angel wings.   The visual and aural cornucopias echo ideas of abundance and break down the boundary between public and private spaces by implying a type of intimacy—Victoria wants to share her secret fantasies (privately) with just us (in public).   The intimacy implied is totally illusive, which makes it all the more desirable.

This illusiveness starts with the models, who enact intimacy and embody silence as the sound of desire.  The VSFS’s onstage choreography fixes women squarely in the visual domain and undercuts their credibility in the sonic domain.  Instead of raising their voices for self-empowerment while on the air the VSFS suggests that women should push up their breasts and show as much cleavage as possible, playing to audiences as seen and not heard.

Bernd Schmitt, David Rogers, and Karen Vrotsos explain what’s behind the VSFS’s strategy of strategic silence in their book, There’s No Business That’s Not Show Business: Marketing in an Experience Culture:

Since 1995 Victoria’s Secret has gone from imitating marketing ideas of true luxury retailers to becoming the model for some of those retailers…  Every step of this dramatic progression has been pure show business—pushing the boundaries of fashion and taste, engaging (and sometimes enraging audiences) and transforming the industry into re-imagining itself. Like a teenager wearing her first Wonderbra.

Through a maelstrom of controversies and publicity over the lack of women’s voices represented in the fashion shows, the VSFS was re-imagined in the early 2000s and took on a (post-)feminist message of empowerment.  Here’s the idea:  VSFS models are “superheroines” because they brandish their assets on their own terms on the catwalk, in an emancipatory celebration. Silent, desired objects are glorified as consumers are bewitched.

The show facilitates desire by creating additional intimacy for consumers, incorporating an “All Access” website replete with revealing video clips and exclusive photos, biographical videos about the models.  The actual broadcast now also airs backstage interviews in which models share their private thoughts about why the VSFS is more than a pornographic commercial or a fantastic rejection of old-school stereotypical bra-burning feminism.  For example, during the show one model commented that she’s “living the American Dream.”  Another said that she feels senses of accomplishment and growth because “It’s every girl’s dream to walk in VSFS…   the minute I stood on the runway I felt like I became a woman.”  Yet another model encouraged young female audience members to aspire to participating in a future VSFS, pronouncing that “someone that’s watching this will be an angel.”

Despite this backstage commentary much goes unsaid. Noticeably absent from the models’ remarks is any mention of how the opportunity to speak their minds is presented only to sell more merchandise that is not certified fair-trade.  Then there’s the total silence around the privileging of light skin and thinness and their relations to higher levels of “erotic capital” in mainstream popular culture.  Out of 10 models in the 2011 show, 3 appeared to be women of color (Asian-American and African-American or mixed race) and only 1 appeared to be a darker-skinned woman of color. No women of color contributed to VSFS’s on-air backstage footage. And, adding insult to representational injury, the women of color are hypersexualized even as they are muted. What’s more is that all models appeared to be under the size of the actual US female consumer (sizes 10-12), suggesting that most real women are still not considered the target audience for VSFS and thereby suffer a profound lack of agency in voicing images of desire for themselves.

The absence, and silence, of average women and women of color in desire industries has been noted by sociologist Siobhan Brooks in Unequal Desires:  Race and Erotic Capital in the Stripping Industry. Brooks writes,

“Many feminists argue that women cannot assert agency within sexual economies; their belief is that women are victimized and/or controlled by heterosexual male desire that is not in the best interest of women.  On the other side of the debate… contemporary feminists have focused on sexual agency and the empowerment of women within sexual economies as an expansion of women’s control of their bodies.  However, within the debate… there remains a theoretical void in examining US-based racial and sexual hierarchies present within desire industries, and how these hierarchies mirror existing forms of racial stratification in US institutions.”

This racial stratification is stitched into the very soundtrack of the VSFS, which loudly reinforces women’s silence as the sound of desire. The VSFS soundtrack nourishes desire through presenting what Deanna Sellnow and Timothy Sellnow, in their article “The Illusion of Life Rhetorical Perspective: An Integrated Approach to the Study of Music as Communication”, call an “illusion of life—a dynamic interaction between virtual experience (lyrics) and virtual time (music).”   Racial, gender and class differences produced virtual experience. Lyrics expressed these differences through some form of heterosexual, aspirational and consumptive desire—from getting one’s ideal sexual partner, to traveling to exotic locales, and enjoying celebrities’ exciting and extravagant lives. The pop and rap songs offered fast tempos, driving rhythms, loud dynamics and full instrumentation, representing intensity and power.

The VSFS’s performers show the gendered dimension of that “illusion of life.” Kanye West’s version of masculinity was on display as he flirted with each model strutting down the runway, making his voice the only one heard as models appeared. His famous line from “Stronger” (“I need you right now”), when coupled with the women’s silent sauntering, sounded as relevant as it was politically incorrect.

Maroon 5’s performance of “Moves Like Jagger” also addressed the theme of desire, especially when lead singer Adam Levine planted a kiss on the cheek of his girlfriend Anne Vyalitsyna (as she remained silent). Jay-Z and West’s show stopping performance of “Niggas in Paris,” in which the duo performed without any models on stage, highlighted the rappers’  “untouchable” status as rap gods and throne-dwellers. The live audience responded more emphatically to this male-only performance than it did to any other segment of the show.

Nicki Minaj was the only female to appear on stage in the role of non-model, performing “Super Bass” with a hint of Rob Base and DJ EZ Rock’s “It Takes Two.” Though her performance can be read as a subtle critique of the lack of authentic audience agency and absence of a womanist standpoint in VSFS, it sounded no less male-centered than any of the other performers’.  For instance, the first line of “Super Bass” is directed at a male audience driven by consumption, “This one is for the boys with the booming system.”  In this respect Minaj could be seen as The Female Voice of VSFS, as her rapping about self-image and relationships with men is consistent with sanctioned topic areas for women in general.

However, and in keeping with the show’s theme of women’s silence as the sound of desire, Minaj’s performance does offer a quiet critique of hegemonic images of desire and desirability. Unlike the male performers Minaj always stayed behind the models and in the background. Consequently, Minaj’s short stature, colored wig, thicker figure, sneakers, outlandish outfit, and darker skin were presented in sharp contrast with the tall, high-heeled, thin, lighter-skinned, scantily clad, and perfectly coiffed models who she stalked as they came down the runway. A scan through tweets posted as the show aired confirms that audiences got Minaj’s message even if they eventually turned it against themselves, revealing that desire can sometimes be displeasing and painfully restrictive.  Take the following tweet from viewer @kelcicoffey: “Going on a diet after watching #VSFashionShow tonight XD.”

Though Minaj’s soundless critique speaks volumes, the VSFS soundscape ultimately seals the edges on a spectacle brimming with hegemonic impressions and sensations of desire.  The end product is an illusion of life that is mostly white, nearly naked, always feminized and conspicuously silent.

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Marcia Alesan Dawkins is an award-winning writer, speaker, educator and visiting scholar at Brown University.  She is the author of Clearly Invisible: Racial Passing and the Color of Cultural Identity (Baylor UP, 2012) and Eminem: The Real Slim Shady (Praeger, 2013). 

Marcia writes about racial passing, mixed race identities, media, popular culture, religion and politics for a variety of high-profile publications.  She earned her PhD in communication from USC Annenberg, her master’s degrees in humanities from USC and NYU and her bachelor’s degrees in communication arts and honors from Villanova.  Contact:  www.marciadawkins.com