Viceroyalty of Peru arrived in Lima with Antonio José de Sucre to plan the offensive. In February 1824 the royalists briefly regained control of Lima. Olañeta's Rebellion started by surprise and the entire royalist army of Upper Peru (today's Bolivia) revolted, led by Pedro Antonio Olañeta (royalist) against La Serna, the viceroy of Peru (a liberal). This broke the royal army and started a civil war in Upper Peru. Having regrouped in Trujillo, Bolívar in June led his rebel forces south to confront the Spanish under Field Marshal José de Canterac. The two armies met on the plains of Junín on August 6,
Peru Andean, Spanish, and African roots. In pre-Hispanic times, musical expressions varied widely in each region; the "quena" and the "tinya" were two common instruments. Spaniards introduced new instruments, such as the guitar and the harp, which led to the development of crossbred instruments like the "charango". African contributions to Peruvian music include its rhythms and the "cajón", a percussion instrument. Peruvian folk dances include marinera, tondero, zamacueca, diablada and huayno. Peru Peru (; ; ; ), officially the Republic of Peru (), is a country in western South America. It is bordered in the north by Ecuador and Colombia, in