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The components of our string quartet have professional experience collaborating with different orchestras and musical formations, such as:  Euskadiko Orkestra Sinfonikoa, Euskadiko Gazte Orkestra, Orquesta Aita Donostia, Et Incarnatus Orkestra, Sotto Voce Orkestra, Orquesta La Donostiarra, Errenteria Musikal Orkestra, Donostiako Barroko Taldea, Cuarteto Anonimuss ...

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• Musical entertainment at the Anoeta Stadium (Donostia) for the "Champions League" (years 2003/04).

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• Musical entertainment at the Funeral Home of the “Vascongada Funeral Home” (B.Rekalde-Donostia) (years 2005/06).

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• Collaborations in Musikene (Conservatorio Superior de Música de Euskadi) with the different chamber groups that emerged during the course (2004/06).  

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• Dinner entertainment for an agricultural machinery export company at the Hotel Londres in San Sebastián (November 2006).

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• Classical music concert in the chapel of the convent of the "RR.MM. Brígidas" of Lasarte-Oria (Gipuzkoa) within the "Second Musical Encounters" organized by the School of Experience of the Catholic Association of Parents "Danok Kide "(March 9, 2007).

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• Musical entertainment at the cocktail party for the "Gipuzkoa Hospitality Annual Party" that was held at the "Gudamendi" hotel in Donostia (Gipuzkoa) (June 9, 2009).  

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• Classical music concert in the church of Astigarraga (Gipuzkoa) with the choir "Aiztondo" from that town, within the acts of "Santa Cecilia", taking into account various anniversaries of various classical composers (June 21, 2009).

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• Interview and musical entertainment with 4 different musical pieces in the program "Amarauna" of Euskadi Irratia (July 31, 2009).

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• Musical entertainment with Christmas songs (Eguberri kantak) in the program "Amarauna" in Euskadi Irratia on the occasion of Christmas Day (December 25, 2009).

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• Musical entertainment at the welcome cocktail of the Teledonosti gala party that was held at the "Miramar Palace" in Donostia (Gipuzkoa) (August 11, 2009).

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• Chamber music concert at the Kutxa on c / Garibay in Donostia (Gipuzkoa) as part of the 1st "Rompeolas" festival (April 24, 2010).

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• Classical music concert with "Kantuz Abesbatza" from Hernani (Gipuzkoa) within the celebration of its twentieth anniversary at the hermitage "La Milagrosa" in that town (May 8, 2010).

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• Chamber music concert in the parish of Maeztu (Araba) within the acts of "Cultured Music 2010" organized by "Cultural Alava" (October 23, 2010).

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• Classical music concert in the parish of "San Pedro de Lamuza" in Laudio (Araba) within the acts of "Música Culta 2010" organized by "Cultural Alava" (November 4, 2010).

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• Collaboration in the musical entertainment at the "Bilbao Meliá" hotel (Bilbo-Bizkaia) in the "1st Bilbao Meliá Catwalk" (December 2, 2010).  

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• Musical entertainment for the cocktail at the opening of the “Chocolat Factory” in San Sebastián (Gipuzkoa) (June 9, 2011).  

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• Chamber music concert in the "Chillida" room of the "Bizkaia Aretoa" Paraninfo of the UPV (Bilbo) within the reception of the engineers who were going to participate in the I International Congress of "The paths of Sustainability / Sustainability. Experiences innovative "(June 15, 2011).

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• Entertainment of the welcome cocktail for the guests at the "Palacio Miramar" (Donostia) to celebrate the 100th anniversary of the "Fortuna" Sports Club of San Sebastián (June 17, 2011).

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• Musical entertainment in the "II Subida a Artxanda" (Bilbo) organized by "El Correo" in the "Movistar" tent (October 16, 2011).

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• Musical entertainment at the cocktail party of the company "Forjas Irizar" from Lazkao in the celebration of its new website at the "Igartza" palace in Beasain (October 28, 2011).

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• Entertainment of the cocktail and dinner of the company "Anfabra" at the restaurant "Ramon Roteta" in Hondarribia (Gipuzkoa) (November 3, 2011).

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• Amenization of the streets of the center of Tolosa (Gipuzkoa) on the occasion of Christmas organized by the association of merchants "Tolosa & Co"  from said town (Christmas 2011/12).

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• Cocktail entertainment at the opening of the building  office of "Morlans Bulego" in Donostia (October 19, 2012).

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• Enlightenment of the cocktail at the inauguration of the "Arocena & Ruiz" dental clinic in Donostia (November 30, 2012).

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• Musical entertainment of the streets of the center of Tolosa (Gipuzkoa) on the occasion of the Christmas festivities organized by the association of merchants "Tolosa & Co" of that town (from December 12 to January 5, 2013).

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• Musical entertainment in the funeral home and crematorium of the "Funeraria Polloe" (Donostia) (mid-September  2011 to October 30, 2013).

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• Several of the members of the quartet form the Trío Attrium (July 2013).

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• Concert by the Attrium trio in the "Igartubeiti" farmhouse (Ezkio-Itsaso) within the program of the "XXX Music Cycle of Antigua" in Zumarraga (Gipuzkoa) (October 5, 2013).

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• Concert by the Attrium trio at the reopening reopening of the old Tolare farmhouse "Sariaaundi" in Aginaga (Usurbil-Gipuzkoa) (May 10, 2014).

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• Collaboration in the musical entertainment of the inauguration of the new facilities of "Orona Fundazioa" in Hernani (May 24, 2014).

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• We currently teach violin and cello at different music schools in Gipuzkoa, music conservatories of the Basque Government, as well as at the Orfeón Donostiarra.

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• Two of the members of our quartet have collaborated in the show Maite K.