Kuduro developed in Angola in the late 1980s and 1990s, mixing electronic dance beats with African percussion and shouted Portuguese call-and-response vocals. The phrase oi oi oi works less as lyrics and more as a crowd signal, borrowed from everyday Portuguese exclamations and repeated until it becomes a hook. As kuduro spread through Angola, Portugal and the wider Lusophone diaspora, short chant clips like this began circulating in edits and soundboards, valued because the rhythm and energy translate even without understanding Portuguese.