Marina Kosaka was born in Japan and initially studied violin with Prof. Kyoko Shikata at the Kyoto City University of Arts in Japan and completed her master's degree with Prof. Jacek Klimkiewicz at the Folkwang University of the Arts in Essen before deciding to switch to viola in 2020. She began her viola studies with Magdalena Härtl and studied with Prof. Hariolf Schlichtig at the University of Music and Performing Arts Munich from 2022. She is currently continuing her master's degree with Prof. Roland Glassl at the same university. She received further important musical impulses at master classes with Prof. Nobuko Imai and Junichiro Murakami.

In 2022, she received the “Hans Schaeuble Award” from the Hans Schaeuble Foundation Zurich and was invited to the Arosa Classic Festival 2023.

She is a scholarship holder of Yehudi Menuhin Live Music Now München e.V.

In the 2021/22 season she received a temporary contract with the Bavarian Radio Symphony Orchestra and from September 2024 she has a temporary contract with the WDR Symphony Orchestra Cologne.

She plays a viola by Ritz Iwata, made in Amsterdam.

First Round

• J. S. Bach: Suite No. 3 in C major, BWV 1009
  • 1. Prélude (3')
  • 4. Sarabande (4')
• F. A. Hoffmeister: Viola Concerto in D major
  • 1. Allegro (8')
• • M. Reger: Suite for Viola Solo op. 131d No. 1
  • 1. Molto sostenuto (4')
  • 4. Molto vivace (1')
• F. Schubert: Sonata A minor D 821 "Arpeggione"
  • 1. Allegro moderato (12')

Second Round

• B. Martinů: Viola Sonata, H.355 (16')
  • 1. Poco andante - Moderato
  • 2. Allegro non troppo
• G. P. Telemann:12 Fantasias, TWV 40:14-25, No. 10 in D major TWV 40:23 (5')
• P. Pujanek: Dentro (11')
• J. Brahms: Sonata in f minor, op.120 No.1 (24')
  • 1. Allegro appassionato
  • 2. Andante un poco adagio
  • 3. Allegretto grazioso
  • 4. Vivace

Piano: Yumi Sekiya (guest)

Finale

• William Walton: Viola Concerto (27')
  • 1. Andante comodo
  • 2. Scherzo and trio
  • 3. Finale – allegro moderato