"drumbeats" in the noun sense
1. rub-a-dub, rataplan, drumbeat
the sound made by beating a drum
2. drumbeat
military) the beating of a drum as a signal for lowering the flag at sundown
3. drumbeat
a vehement and vociferous advocacy of a cause
"the warmongers kept up their drumbeat on Iraq"
Source: WordNet® (An amazing lexical database of English)
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