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Castalian String Quartet

Orlande de Lasse: La nuit freude et sombre
Charlotte Bray: Ungrievable Lives
Felix Mendelssohn: String Quartet in F minor, Op. 80
John Dowland: Come, Heavy Sleep
Benjamin Britten: String Quartet No. 3 in G-Major, Op. 94 


Castalian String Quartet
Sini Simonen and Daniel Roberts, Violins
Ruth Gibson, Viola
Steffan Morris, Cello


“A powerful individuality of sound matched by an instinctive singularity of musical intention”  – The Scotsman


Since its formation in 2011, the London-based Castalian Quartet has distinguished itself as one of the most dynamic, sophisticated young string quartets performing today.  Appointed the inaugural Hans Keller String Quartet in Residence at the Oxford University Faculty of Music in 2021, they are also the recipient of the Royal Philharmonic Society’s 2019 Young Artists Award. The Quartet is gaining international acclaim as they take their talents abroad, having performed at the Amsterdam Concertgebouw, Berlin Philharmonic, Hamburg Elbphilharmonie, Paris Philharmonie, Vienna Konzerthaus, Montreal’s Salle Bourgie, Carnegie Hall, and the Spoleto USA Festival, among many other esteemed venues worldwide.


In the 2023-24 season, they will perform several U.S. concerts with pianist Stephen Hough featuring Hough’s own string quartet in addition to the Brahms quintet. They have also established a strong presence abroad, with performances of the complete Haydn Op.76 Quartets at Wigmore Hall; concerts at the Paris Philharmonie, the Vienna Konzerthaus, and the Tel Aviv Museum of Art. They have played at the Heidelberger Frühling, East Neuk,  Zwischentöne in Engelberg, Neuchatel Chamber Music Switzerland, and Banff International Festivals. Further afield, they undertook tours of China and Colombia.


In spring 2022, the Castalian Quartet released its first recording, Between Two Worlds (Delphian), featuring works by Thomas Adès, Beethoven, and first violinist Sini Simonen’s own arrangements of early works by Orlando de Lassus and John Dowland. BBC Music Magazine raved: “Perceptively programmed, Between Two Worlds explores the mystic properties of time through a series of intricately connected works, each performed with rare beauty and originality by a quartet working at the height of its powers,” and praised the quartet as “intimately alive to every shift of colour and mood in this extraordinary score and succeeds in conjuring the sense of both deep contemplation and vivid spontaneity.” Gramophone praised the album as “consistently sensitive; bright, focused, [and] agile…. this excellent presentation facilitates a highly creative brand of time travel…. a most fascinating release.”


The Castalian Quartet studied with Oliver Wille (Kuss Quartet) at the Hannover University of Music, Drama and Media, graduating with a Master’s degree.  In addition to the above, awards include Third Prize at the 2016 Banff Quartet Competition and First Prize at the 2015 Lyon Chamber Music Competition. The Quartet was selected by Young Classical Artists Trust (YCAT) in 2016.  They have received coaching from Simon Rowland-Jones, David Waterman and Isabel Charisius.



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