What bird so sings, yet so does wail?
Oh, 'tis the ravished nightingale.
"Jug, jug, jug, jug, tereu," she cries,
And still her woes at midnight rise.
Notes from Wikiquote
Compare: "Hark, hark! the lark at heaven's gate sings,
And Phœbus 'gins arise."—Shakespeare, Cymbeline, act II, sc. 3
Variants
'How' not Now', l. 7