 Theme 1 repeats at measure 19, this time played by the clarinet, and the flutes interrupt each small phrase within the theme with their own counter-melody that contrasts with the theme in its straight (not swung) rhythms.Still then takes small motifs of theme 1 and develops them, transitioning into theme 2, in G major, played by the oboe, starting at measure 45.Theme 2 continues to develop, and its melody returns with the cello section.