 Foreshadowing into a slow, lyrical theme played by the solo viola, Elgar cascades between solo voice and orchestra by use of echo.Elgar writes that this theme is a quotation of a song sung by a distant voice that he had heard during a holiday in Wales.An expressive, romantic section leads into a recapitulation of the opening fanfare and Welsh theme, ending the Introduction and transitioning jovially into the Allegro.