The Portuguese violinist Cláudia Carvalho was born and raised in the city of Guimarães, Portugal. Her passion for music manifested at a very young age, which led her to start her violin studies at the age of 7, under the guidance of Filipa Abreu, with whom she studied for the next 12 years at Conservatório de Guimarães. In those years, Cláudia was awarded multiple prizes in national competitions, such as Concurso Santa Cecília, Prémio Nacional Elisa Sousa Pedroso, Concurso Paços Premium, and Concurso Marília Rocha.

Cláudia discovered a passion for orchestral and chamber music at a young age, which led her to participate in various orchestras and ensembles throughout her life, such as Orquestra Sub-12 da Capital Europeia da Cultura, Jovem Orquestra Portuguesa, Orquestra Sinfónica Ensemble, Orquestra de Guimarães, etc., where she had the opportunity to work with the conductors, Vítor Matos, Pedro Carneiro, Cesário Costa, Filipe Senna, David Bruchez-Lalli and Leon Spierer.

In 2019, Cláudia traveled to the Netherlands to study at Fontys Hogeschool voor de Kunsten. She is currently in the last year of her bachelor's working under the tutelage of Jolente de Maeyer. Her latest projects include working with the Portuguese Chamber Orchestra, Brabant Sinfonia, and New European Ensemble. Her work with the Rosin Octet has taken her to different national and international stages and festivals, such as Muziekgebouw Eindhoven, Willem Twee Toonzaal, Arvo Pärt Centre, Conservatorio Giuseppe Verdi, and Festival Guimarães Clássico. These projects awakened a newfound interest in contemporary music for the young violinist, and she has been a part of premieres of compositions by Kate Moore, Enrico Ferri, Jay Schwartz, and Shai Maestro.

Gabriela started her violin studies at the age of 11 at Centro de Cultura Musical (Famalicão, Portugal) and later on at ARTAVE – Escola Profissional Artistica do Vale d’Ave with teachers António Soares and Nuno Meira. In 2014, she started studying at University of The Arts Codarts with Olga Martinova and further on at Fontys University of Fine and Performing Arts with Jenny Spanoghe and Jolente de Maeyer.  

Between those years she played with Codarts Symphony Orchestra, Euregio Kamerorkest, Ars Musica, Dordrechts Kamerorkest, Concerto Brabant Kamerorkest, Kamerata Zuid, Orquestra XXI, Metropole Orchestra and work with names such as Ernst Shelle, Emílio de César, Peter Askim, Hans Leenders, Howard Williams, Chloe Hanslip, Alexey Stadler, Valery Gergiev and Yannick Nézet-Séguin. With these orchestras Gabriela played in rooms such as CCB Lisboa, Coliseu do Porto, De Doelen Rotterdam, Ziggo Dome, Amsterdam ArenA, Muziekgebouw Eindhoven and Concertgebouw Amsterdam. She got Master-Classes from Alexandra Trindade, Nuno Soares, Jela Spitkova, Agustin León Ara, Ani Schnarch, Aleksey Semenenko, Daniel Bard, Isabelle van Keulen and Alexei Mijlin.  
Gabriela had the opportunity to participate in the "OFF - Opera Foward Festival 2017" in De Nationale Opera & Ballet, Amsterdam. She was also appointed the leader of the 2nd violin section at Euregio Jeugdorkest - EJO for the season 2017/2018 where Euregio Youth Orchestra won all prices in the Nationaal Concours voor Jeugdsymfonieorkesten and toured throughout Austria’s main halls. Gabriela is also an active chamber music musician playing at Arthema Kwartet founded in september of 2017 which in 2018 won the audience prize in the Willem II Competition and the year after the jury and audience prize at the Asten Classical Award.

Alba Vivaldi Huuse is a Spanish/Norwegian violinist based in Tilburg, Netherlands. With experience in solo playing, orchestra, and chamber music, Alba has established herself as a versatile performer across a range of styles and genres.
She began her artistic journey at age 8 studying with Thorn Magnus Reymert in Oslo, Norway, where she played with the Nor59 Chamber Orchestra and also performed as a soloist. During this time, Alba also gained extensive experience playing both violin and viola in chamber groups.
Alba has participated in numerous projects and performances, including “Christmas ballet tour” with Stefan Plewniak and Il´Giardino d´Amore in 2016, the Christmas Wonderland tour with Stan Plewniak and the Feelharmony big band in 2017, and "Drømmekonserten" With Elbjørg Hemsing and. She has also appeared on the album with Nor59 string orchestra "Shostakovich & Tchaikovsky" recorded by Ëvoe Records in 2018 and contributed to the soundtrack for the movie "Ekspedisjon Knerten" (2017).
In Norway, Alba further developed her skills in baroque violin, studying with Monika Boroni and participating in projects with "Barokkanerne" led by Johan Nicolai Mohn with guest performer Claire Salaman. She has also taken masterclasses with renowned violinist Walter Reiter.
In 2019, Alba graduated from the music program at Edvard Munch VGS in Norway, where she studied with Erik Fossum Svendsen. She then moved to the Netherlands to pursue her Bachelor of Music in classical violin with Chris Duindam at Fontys Hogeschool voor de Kunsten in Tilburg.
Being an active musician especially in chamber music has brought her to various festivals and venues, including Muziekgebouw Eindhoven, Willem Twee toonzaal, Conservatorio Giuseppe Verdi, Arvo Pärt Center, and Festival Guimarães Clássico. 
She is currently exploring the world of contemporary music and has had the opportunity to be part of premieres of pieces by Enrico Ferri and Jay Schwartz, and she has also taken an interest in the tango violin with the help of teachers Stephen Meyer and Wim Warman.

Kevin Morales Rey (1995, Buenos Aires) is an Argentinian/Spanish Viola player. He obtained his Bachelor of Arts in Instrumental Performance (Viola) in Conservatorio Superior de A Coruña (Spain) in 2021. During his Bachelor, he studied in Rome at the Conservatorio Santa Cecilia with the Erasmus Program. He is currently studying the Master of Music at Fontys University of Applied Sciences with Emlyn Stam. Since he was 15 years old he started participating in renowned youth orchestras, such as Orquesta Joven de la Sinfónica de Galicia, Joven Orquesta de Canarias and World Youth Orchestra. With the latter he participated in international projects like the Al Bustan International Festival in Beirut, or the project Sounds for Brotherhood in Mostar and Sarajevo. In the professional field, he worked in projects as Viola tutti with Orquesta Sinfónica de Galicia and Orquesta Gaos and he also worked for the Mexican embassy as a violinist.

Adriana Hernández Garcia (2000, Cuba) is a cuban viola player. She won the provincial viola competition in Havana in 2015 and graduated from the Cuban National School of Arts in 2019. She then worked as a tutti violist in the National Symphonic Orchestra of Cuba, and taught violin and viola at the elementary music school Alejandro Garcia Caturla. She is currently pursuing her bachelor’s degree in Classical Viola at Fontys Academy of Music and Performing Arts with Lisa Eggen. She has received masterclasses from Joan Berkhemer and Frank Brakkee. She is currently playing as a tutti violist at the Brabant Chamber Orchestra, she is an active member of the Rosin Octet and the Nymphaea String Quartet. She has worked in projects together with Brabant Koor and Kamerata Zuid and played in different concert halls like Concertzaal Tilburg, Willem Twee Toonzaal in Den Bosch, De Kring Rossendaal and Muziekgebouw Eindhoven.

Nico was born in Jakarta, Indonesia in 2001. He developed a passion for music at a young age and started playing in a drum band during his kindergarten years. By the age of 10, Nico had developed an interest in the piano, which led him to participate in various competitions such as the Steinway Piano Competitions and the Ananda Sukarlan Piano competition.

At the age of 12, Nico started studying the cello at the Jakarta Conservatory of Music with renowned teachers such as Sulistyo Rini, Bryant Gozali, and the late Haryo Suyoto. His dedication and hard work led him to move to the Netherlands to study with cellist Monique Heidema.

Apart from being a full-time student, Nico is an active performer, playing in various settings such as a chamber musician, solo musician, orchestra cellist, or even rock band or Abelton live settings. Nico has performed at many prestigious venues such as the Muziekgebouw Eindhoven, Sint Catharina Kerk, and Concertzaal Tilburg. Moreover, Nico has had the privilege of performing abroad at places such as the Conservatorio Di Musica G. Verdi in Turin, Italy, and the Arvö Part Centre in Tallinn, Estonia, and Portugal.

Currently, Nico is in his 4th year of bachelor's at Fontys Hogeschool voor de Kunsten. His dedication and passion for music have allowed him to showcase his talents and make a name for himself in the music industry.

Carlotta Rall was born in 2002 in Germany. Having lessons with several teachers opened a broad perspective to music and its interpretation. Especially the lessons with Dita Lammerse, cellist of the german 'SWR Symphonieorchester', shaped Carlotta Rall and introduced her to contemporary cello music. In 2020, she moved to Tilburg, Netherlands, to study at the Academy of Music and Performing Arts with Paul Uyterlinde. Carlotta played in projects and concerts with the SWR Symphonieorchester under the direction of Francois Xavier Roth, the Freiburger Barockorchester, including two concert tours to Tel Aviv, Israel, and with the Raschèr Saxophone Quartet and the Kammerorchester der Freunde des Rascher Saxophonquartetts under the direction of Dennis Russell Davies.