Repeat that, repeat,
Cuckoo, bird, and open ear wells, heart-springs, delightfully sweet,
With a ballad, with a ballad, a rebound
Off trundled timber and scoops of the hillside ground, hollow hollow hollow ground:
The whole landscape flushes on a sudden at a sound.

Gerard Manley Hopkins

http://www.poemhunter.com/poem/repeat-that-repeat/