sentences:  It is the most virtuosic of all four movements, and the frenzied, passionate character, along with the meter, are suggestive of a tarantella.The structure is similar to the first movement, with two contrasting subjects linked together by interludes of melodic fragments and modulations.After a four-measure introduction in which the piano states the beginning of the first subject accompanied by the violin with a virtuosic series of broken chords, the two instruments switch roles and the violin states the first subject in its entirety, a lyrical but stormy, impassioned melody, accompanied in the piano by the same broken-chord figure originally seen in the violin.