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Broken Thirds (One String) for the Cello, Book One

by Cassia Harvey

Instrumentation
Cello
Publisher
C. Harvey Publications
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Cover of Broken Thirds (One String) for the Cello, Book One
Cover courtesy of C. Harvey Publications

About this piece

This late-intermediate or early-advanced cello technique book presents studies and variations on broken thirds up a single string. With exercises on each of the four strings, the cellist can improve on their shifting technique and agility in first through ninth positions. Broken thirds have long been a staple of cello study, and in this book they are explored in a way that is most relevant to the demands of modern cello playing. This book works well along with Serial Shifting; Exercises for the Cello, and Scale Studies for the Third Octave, for the Cello, Book One.

Technical overview

This advanced cello technique book gives you exercises that teach your hand better shifting, speed, and intonation using broken thirds.

Level rubric

Early Advanced

Left Hand

  • Fully integrated thumb position; scales/arpeggios on A & D strings.
  • Smooth shifts into/out of thumb position for sustained high notes.
  • Frequent advanced double stops with rapid, coordinated shifts.
  • Accurate ornamentation (trills, turns, grace notes), even in double stops.
  • Expressively adjust intonation for chord balance.
  • Handle fast runs and large leaps precisely.
  • Introduction to false harmonics.

Right Hand

  • Virtuoso bow strokes: controlled up/down‑bow staccato, deliberate ricochet & well‑shaped sautillé.
  • Wide tone palette via precise bow adjustments.
  • Explore advanced effects (col legno, sul ponticello) as needed.
  • Capable of both powerful fortissimo and delicate soft notes.
  • Rapid switching among strokes in cadenzas/virtuosic passages.

Rhythm & Musicality

  • Apply rhythmic freedom & rubato to shape movements and cadenzas.
  • Personal interpretation with nuanced phrasing & subtle dynamics.
  • Mature tone and phrasing for solo and ensemble settings.
  • Demonstrate advanced ensemble leadership with visual cues.

Levels are approximate guides, not strict requirements.