The one-movement work begins with an ostinato which builds with a large crescendo. The instrumental soloist responds violently with a cadenza which grows calmer to set up the appearance of a dissonant motif of ascending quarter notes which occurs throughout the rest of the composition. An andante makes up the middle section of the work in the form of a romanza. This episode is followed by a light and virtuoso Allegro marcato which introduces a second cadenza by the soloist. The following passage...