The accompaniment soon gives way to a semiquaver wheedling figure, painting the epidermal 'worm' that belies the serene countenance (bars 20-21).
There are occasional points where vocal semiquavers contrast with instrumental triplets and sextuplets.
It opens with a series of fanfare-like gestures in the strings, punctuated by sonorous chords and driving semiquaver figuration from the piano.
Although they can be as short as a single semiquaver or as long as sixteen bars, they typically consist of a single instrumental pattern.
This introduction of semiquavers lends urgency to the speaker's desire in line 5 to go with her lover.
The soloist typically sings over repeated semiquaver viola figures - there are no violins - at the upper, more mellifluous end of his range.
The piano has the same groupings but starting a semiquaver later.
After a short introduction from the solo violin the movement is dominated by material built on semiquaver runs and ostinati.
