with russian composers v.ekimovski, yu.kasparov, and a.raskatov. early 1990es
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with victor ekimovsky. essen, germany, 1991
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with composers v.ekimovski, f.hufschmidt, v.silvestrov, h.lahenmann, n.korndorf. germany, 1991.
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with colleagues-musicians. essen, 1991
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with edison denisov. essen, 1991
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with viktor ekimovsky and vladimir tarnopolsky. vienna, 1991
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