Related Clues:

• Strikers' rhyme
• ''USA, USA, USA ...''
• Intone
• "We want a hit!," e.g.
• Utter repetitively
• Intonation
• Root words?
• Cheering call
• Monk music
• Monotonous song
• "USA! USA!" is one
• Pep rally cheer
• Street protest sound
• Sing a simple song
• Protesters' sound