Related Clues:

• Kipling's "Gunga __"
• Eye-opener of a kind
• Clock/radio feature
• Crowd commotion
• More than dismay
• Foghorn, e.g.
• Car buyer's option
• Bedside noise
• Raucousness
• Bank feature
• Sound a Klaxon
• Common cell phone feature
• Loud get-up?
• Lot of noise
• Reason to get up in the morning?