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Cello Repertoire Initiative

Cello Sonata, Op. 6

by Willem Frederik Bon

Instrumentation
Cello, Piano
Composed
1966
Publisher
Donemus
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About this piece

Willem Frederik Bon's Cello Sonata, Op. 6 (1966), is dedicated to René van Ast. Bon (1940–1983) was a clarinettist, conductor and composer who led the Amsterdam Sinfonietta, founded the new-music centre De IJsbreker in Amsterdam and taught composition in Groningen; his music reflects the serial and atonal styles of the 1960s and 70s. The linked recording is by the cellist Hans Woudenberg with the composer's sister, the pianist Marja Bon.

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.

Music

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