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One8

by John Cage

Instrumentation
Cello
Composed
1991
Duration
43'30''
Publisher
Edition Peters
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About this piece

One of Cage's late 'Number Pieces', written in 1991 for the cellist Michael Bach and the curved bow he developed. The score consists of 53 flexible time brackets, each containing a single sound played on one, two, three or four strings; because the brackets overlap, the piece can unfold as one continuous sound. Durations, dynamics and bow positions are left to the player, and the pitches include microtonal deviations marked with small arrows. It may be played together with the orchestral piece 108, under the title 'One8 and 108', in which form it becomes in effect a cello concerto. Edition Peters EP 67408 (16 pages).

Technical overview

Single sustained sounds on one to four strings using a curved bow, with microtonal intonation; the performer chooses durations, dynamics and bow placement within each time bracket.

Technical focus

  • Double Stops

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.