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Julie-O

by Mark Summer

Instrumentation
Cello
Composed
1988
Duration
4'
Publisher
Shar Products Co., in Contemporary Originals for Solo Cello with Lo, How a Rose E'er Blooming (item 7354 150; also as a digital download)
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About this piece

Julie-O is the best-known piece by the American cellist Mark Summer, a founding member of the Turtle Island String Quartet. He wrote it in 1988, starting with a melody at the piano and then working it out on the cello, and it gathers up the jazz, rock, fiddle and blues techniques he had developed for improvising: plucked chords ringing into harmonics, 'slap bass' effects, left-hand pizzicato and ghost-bowed notes that keep the groove moving like a rhythm guitar. Summer has said it takes classical technique to play well, and it has become a favourite recital and encore piece for students and professionals alike. The printed edition pairs it with Summer's arrangement of Lo, How a Rose E'er Blooming. Summer has since written concert etudes, starting with Pattern Language, that work on the techniques Julie-O uses, and simplified and two-cello arrangements also exist.

Technical overview

In D major at a fast tempo. Plucked opening chords with harmonics give way to driving bowed sixteenth-note grooves full of syncopation, accents, double stops and chords, with sul ponticello passages and wide dynamic swells.

Technical focus

  • Chords
  • Double Stops
  • Dynamics
  • Hairpin Dynamics
  • Harmonics
  • Pizzicato
  • Rhythm
  • Sul Ponticello
  • Syncopation

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.