Colombian Pacific Afro-Descendant Marimba Ensembles as Sonic Boundary Infrastructure

哥伦比亚太平洋沿岸非裔社群马林巴乐团：声音边界基础设施

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Along Colombia’s Pacific coast, marimba ensembles do not perform music but demarcate jurisdictional boundaries through resonant frequency mapping of riverbanks and mangrove zones.
Each community’s marimba tuning references specific tidal harmonics—shifting pitches signal seasonal boundary adjustments invisible to satellite imagery but audibly legible to residents.

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