A group of four musicians in black clothing is playing various string instruments. They are sitting on chairs and seem to be enjoying their music very much. ©  Co_Merz
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Leonkoro Quartett

27.08.2026 , Thursday

«Leonkoro» – that means «Lionheart» in Esperanto. A name that could hardly suit the young string quartet, founded in Berlin in 2019, any better. At the same time, it reminds one of Astrid Lindgren's children’s book The Brothers Lionheart – a beautiful parallel, as this ensemble also features two brothers playing side by side: Jonathan and Lukas Schwarz.
For their debut at the Menuhin Festival Gstaad, the ensemble has brought along two masterpieces from the repertoire: Mendelssohn's touching last string quartet – a musical «Requiem for Fanny» – and Beethoven's Opus 131, the work about which Schubert is said to have reverently remarked: «After this – what else is there left to write?»

Leonkoro Quartet

Jonathan Schwarz, violin

Mayu Konoe, viola

Emiri Kakiuchi, violin

Lukas Schwarz, cello

Henry Purcell (1659–1695)

Fantasy for 4 Viols in F major Z. 737 (1680)

Henry Purcell (1659–1695)

Fantasy for 4 Viols in E minor Z. 741 (1680)

Felix Mendelssohn (1809–1847)

String Quartet No. 6 in F minor op. 80 (1847)

Ludwig van Beethoven (1770–1827)

String Quartet No. 14 in C-sharp minor op. 131

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