A dirge is a funeral song, Shelley choose that title for this poem because he saw the world dying, because of all the wrong things happening in it, followed by grief.
A dirge is a brooding song or dirge expressing grief or sorrow, suitable for play at funerals. Funeral chants often take the form of short hymns and tend to be shorter and less meditative than elegies. Lamentations are often slow and have the character of a funeral march.
Dirge and its early form dirige mean "mourning song or hymn'' and derives from the first words of Latin chants used in the worship of the dead: ``Dirige, Domine Deus meus, in conspectu tuo viam meam." (Directly, Lord my God, my way before your eyes).
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