For 10 points, identify this musical sketch that depicts a bird stirring after the long winter, a work by Frederick Delius.
It opens with a slow three bar sequence that is eventually joined by a second melody for first violins based on a folk song that was brought to the composer's attention by Percy Grainger and named "In Ola Valley."  The first melodic theme consists of a sequence of phrases written for strings and oboe that is played once and then softly repeated as if the instruments are engaged in an exchange.  This work, whose composition was preceded by A Song of the High Hills, was completed in the same year as its companion piece Summer Night on the River.  A tone poem, which was first performed in Leipzig in 1913, it concludes with a clarinet mimicking the calls of the title creature.  For 10 points, identify this musical sketch that depicts a bird stirring after the long winter, a work by Frederick Delius.
It opens with a slow three bar sequence that is eventually joined by a second melody for first violins based on a folk song that was brought to the composer's attention by Percy Grainger and named "In Ola Valley."  
On Hearing the First Cuckoo in Spring