Purépecha identifies an Indigenous people of Michoacán with varied musical histories, including pirekuas, sones, and repertoires associated with local festivities and celebrations. Singing practices, ensembles, and performance occasions differ between localities and generations. A commercial release, a field recording, and a staged performance may present different perspectives on the same piece. This Mexican Rarities category gathers materials related to Purépecha communities. Each item’s record should specify performers, locality, language, date, and recording circumstances where these are known. The name of a repertoire alone does not establish its exact community of origin.