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Double Concerto

by Rembrandt Frerichs

Instrumentation
Cello, String Orchestra
Composed
2022
Duration
19'
Publisher
Donemus
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About this piece

Rembrandt Frerichs's Double Concerto brings together three musical worlds: a string orchestra playing in a flexible, 19th-century rubato style, a cellist in the role of a traditional concerto soloist, and an improvising "free soloist". It was commissioned by the Cello Biennale Amsterdam for Kian Soltani and the kamancheh player Kayhan Kalhor with Amsterdam Sinfonietta, who perform it in the linked video. The improvised part can either open the piece or grow gradually out of the orchestra's opening, and Donemus also publishes a version for cello, percussion and strings without the free soloist.

Technical overview

No technical overview is available yet.

Level rubric

Professional

Left Hand

  • Complete command of the fingerboard.
  • Proficient thumb position across all strings.
  • Execute complex double stops and rapid trills precisely.
  • Fast scales and leaps with precise intonation and speed.
  • Apply expressive techniques (portamenti, micro‑adjusted intonation) tastefully.
  • Easily execute false harmonics.

Right Hand

  • Seamlessly blends martelé, spiccato, sautillé, legato & ricochet.
  • Meticulous bow distribution for sustained lines or rapid passages.
  • Clear pianissimo to controlled fortissimo.
  • Economical, efficient bow movement with smooth transitions.
  • Employ advanced effects (ponticello, bow effects) artistically.

Musicality

  • Focus on a deeply personal, communicative performance.
  • Make interpretive choices reflecting deep understanding of form, style & emotion.
  • Convey nuanced phrasing, wide dynamic range & a unique artistic voice.
  • Craft dramatic cadenzas/solos with rubato, tone & expressive timing.

Levels are approximate guides, not strict requirements.