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Founded in 1998 by its conductor Mariana González Lanuza, the Grupo Vocal Aequalis is a chamber choir committed to the performance of Argentine and international choral music. In recent years, it has focused on the choral music of contemporary composers, such as Arvo Pärt, Morten Lauridsen, Cyrillus Kreek, Rihards Dubra y Ēriks Ešenvalds.

The Grupo Vocal Aequalis has been directed by prestigious conductors: Professor Péter Erdei and Master Janos Czifra, among others and it has been sponsored by embassies and international institutions.

The choir has performed in venues in the city of Buenos Aires and in cities in the interior of the country. It has participated in festivals in Spain (Barcelona 2009 and 2013), France (Provence, 2011 and Aveyron, 2013), and Austria (Salzburg, 2011). In 2014, the Grupo Vocal Aequalis and its conductor invited the prestigious Catalonian director Daniel Mestre Dalmau to lead a workshop for choir and orchestra conductors on “Bach - Mendelssohn - Rheinberger and the tradition of Lutheran choral”.

The choir is regularly invited to take part in annual  concert cycles in the city of Buenos Aires, such as “The Night of Museums”, in the historical church of San Ignacio de Loyola.

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