Duo Concertante contains five brief movements of contrasting character. The first movement functions as a short prelude, with the viola and bass combining to form alternating high and low harmonies and trading off solo lines.

The second movement is a playful scherzo, played pizzicato by both instruments, while the third movement is the central, lyrical movement of the work, with undulating natural harmonic tremolos and a rhythmically driving interruptive middle section.

The fourth movement...