"Twilight" is the fourth song in Ernst Bacon's song collection Songs at Parting: A Selection of Poems by Walt Whitman. The same song can also be found in an earlier collection of Bacon songs entitled Ten Songs (of 1928).
Image: Walt Whitman, 1849 or 1850, Library of Congress Prints and Photographs Division, Digital ID: ppmsca 09313
by Walt Whitman
The soft voluptuous opiate shades,
The sun just gone, the eager light dispell'd--(I too will soon be gone, dispell'd,)
A haze--nirwana--rest and night--oblivion.