Néstor Andrenacci studied choral conducting with Antonio Russo, conducting with Mariano Drago, and analysis and composition with Francisco KröptI.
He has head the GCC Choral Group (since 1973), the Joint Madrigalista Francisco Guerrero (since 1984), and the Choir of the Catholic University of Argentina (since 1991). He has also created and / or directed numerous choral groups of Buenos Aires, capital and province.
He has performed in Argentina, Ecuador, Uruguay, Spain, France, Belgium, Germany, Denmark, Sweden, the United Kingdom and Canada.