Roberto Sierra

Affiliations: 
Cornell University, Ithaca, NY, United States 
Website:
https://en.wikipedia.org/wiki/Roberto_Sierra
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"Roberto Sierra"
Bio:

Roberto Sierra (born 9 October 1953 in Vega Baja, Puerto Rico) is a composer of contemporary classical music. Sierra studied composition in Europe, notably with György Ligeti in Hamburg (1979–1982), Germany.