Related Clues:

• Reveille's counterpart
• Lights-out song?
• Military base tune
• Poem of mourning
• Military funeral concluder
• Mourner's poem
• Shelley's "Adonais," e.g.
• Trumpet selection
• Flow controllers
• Lights-out signaler
• A song of mourning
• A sorrowful poem like Gray's
• They're faucets in America
• Military signal and faucets
• Military signal to turn the lights out