Ariel, from The Tempest

http://nfs.sparknotes.com/tempest/page_48.html

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ARIEL

(sings)
Full fathom five thy father lies.
Of his bones are coral made.
Those are pearls that were his eyes.
Nothing of him that doth fade,
But doth suffer a sea-change
Into something rich and strange.
Sea-nymphs hourly ring his knell