MUSICAL THOUGHT NETWORKED Dante Tanzi Laboratorio di Informatica Musicale Dipartimento di informatica e Comunicazione Universita degli Studi di Milano Via Comelico 39/41 20135 Milano + 39 5031 6380 dante.tanzi@(unimi.it ABSTRACT The processes involved in the digitalisation of audiovisual knowledge call for a change of perspective. This derives from diverse factors: the adaptation of perceptual abilities required for using digital devices, the change in social and cognitive profiles involved in computerhuman relations, and the operational dimension of time. While networked technologies introduces a system of proximity independent of distances in physical space, an overlapping of communication channels in on-line environments is accompanied by some uncertainty and non-linearity. Consequently, within the intermedial, interactive spaces of the net, the musical objects can be processed through ways which destabilise their original connotation. As for musical navigators, between retracing contents, extracting connections and meanings, and modifying musical features, they enjoy a sort of hidden co-authorship. This paper describes how on-line technologies are gradually modifying the relationships between the authors, music and audiences, and inquires whether the production of musical meaning can remain unchanged in a distributed environment. 1. INTRODUCTION The interpretation of information flows and the control of structures constitutes the core and the communicative specificity of music. Music, by nature, effects forms of change within the intertwining of various narratives. Musical experience habitually has to interpret a variety of materials and styles, and cope with a communicative environment pivoting on the control of time and musical forms. But the presentation of musical contents is usually linked to codified variations, through itineraries starting from and flowing into particular dimensions of social acceptance. Present day digital technologies have produced a more refined control of temporal structures, of timbre dynamics and of spatial parameters. Just as the stratification of time granularities used in contemporary and electroacoustic music mirrored the collapse of linear narrative in literature, the advent of hypertext and decline of linearity reflected the weakening of the subject-centred paradigm [1]. This explains why, on the net, musical activities can evolve through the coexistence of different subjectivities: relationships between composers and their audiences are modified; the communicative exchange may become more important than the description of contents [12]; the cognitive environment of navigable spaces proposes a different frame for spatial and diachronic communication values [9], since it presents different interaction paths every time. Consequently, within the formation of musical meanings, on-line communication proposes new articulations that influence the existing relations between producers and consumers. 2. PHENOMENOLOGY In an on-line context, messages and their contents are jeopardised by the often unpredictable effects of latency [2]. Despite the attempts to correct [16] or use it as an aesthetic ingredient [4], latency still creates difficulty in the management of interactive sessions in a multichannelled environment. Hence, on a global scale the reception of musical messages differs with the users' localisation. Besides, the mobile environments of cyberspace may lead communication away from a sequential and linear style: the same cyber-scenario can be accessed, changed and represented many times, and the flow of subjective time has to cope with decisions already made. But the overlapping of diverse temporal frames may produce dissonance in cognitive paths, and also in strictly musical relationships. All these facts influence subjective inclinations in reconstructing or deconstructing the framework of sonorous events. Besides, in on-line musical communication, identity and authorship become uncertain. So, the hypotheses listeners come up against are no longer centred on the idea of a subject and linear discourse. Not by chance, well-known projects like Brain Opera and Cathedral emphasised on-line experience based on multiple-source listening sessions, where the musical results may not be ascribable either to a single temporal chain or to one author alone, although identifiable as such. 3. RE-TUNING MUSICAL AWARENESS On-line musical awareness can be conceived of as a condition based on an encounter between a plurality of individual times, sound environments and listening situations. In many cases, on-line interactive sonorous environments are shared experiences of listening and production; listeners can receive musical input and pass it on to a sociality composed of endless subjective profiles.
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