Polymarchs is the name of a mobile DJ collective (or SONIDERO) based in Mexico City which plays Electronic dance music. Polymarchs was created in the late 1970s as a mobile DJ collective by Oaxacan native, Apolinar Silva de la Barrera and his sister Maria during the Disco music phenomenon of the 1970s. It began playing shows in distinct Mexico City neighborhoods and began headlining successful sold out shows by the early 1980s.