Cumbia Chicha (or Chicha ), a psychedelic fusion born in the 1980s, is having a global revival. Bands like (Peruvian) dominate the conversation, but Bolivian groups like Los Ronisch and Llajtaymanta are the true underground keepers of the flame. Their entertainment value lies in the live stream; during the pandemic, these bands streamed peñas (folk clubs) from El Alto, gathering millions of views from Bolivian migrants in Argentina, Spain, and the US.