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Underground Streams

by Rosemary Mountain

Instrumentation
Cello, Piano
Composed
1991
Publisher
Canadian Music Centre (unpublished, printed by CMC), RSN 55667, call no. MI 3213 M928und 1991; handwritten score 19 pp. and part 4 pp.
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About this piece

Rosemary Mountain wrote Underground Streams for cello and piano in 1991. The cello begins low and 'murmuring', with an optional mute, while short rolled piano chords push and pull through written accelerandos and ritardandos. A later section has the cello play pizzicato notes marked 'dripping', with glissandi, as the pianist silently holds down keys so that the strings ring in sympathy, and there are long stretches in which the cello plays alone in free, recitative-like lines. It ends with low pizzicato notes over a long-held piano chord.

Technical overview

Mostly in bass and tenor clef, with grace-note figures, trills, glissandi, harmonics and pizzicato, and meter changes from 2/16 to 5/2. The tempo is elastic throughout, with accelerandos, ritardandos and fermatas that the cellist has to shape together with the pianist.

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.