Related Clues:

• Taps might be heard on one
• Taps player
• 'Taps' horn
• GIs' alarm clock
• Taps necessities
• Army instrument
• Reveille horn
• Instrument
• Taps players
• Brass instruments without valves
• Horn without keys
• Elk's call
• Reveille player
• It calls to soldiers
• Military trumpets