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To be a contemporary music performer today is to have a deeply fragmented practice. The performer's role is no longer simply a matter of mastering her instrument and executing a score. Music practices are increasingly incorporating new instruments and technologies, methods of creating works, audience interaction and situations of interdependence between performer subjects. The performer finds herself unable to keep a sense of mastery over the performance. In other words, performing is increasingly precarious.
al et al. (Fri,) studied this question.