This thesis is based on fieldwork conducted in two different urban contexts. I explore the cultural and media practices of Latin American people in Madrid, Spain and Aboriginal people in Sydney, Australia. I argue that both case studies constitute attempts to decolonise the dominant and homogeneous representations of these peoples within mediatised industries. Utilising a range of research methods that include multi-located ethnography, participant observation, interviews and analysis of the

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... ative works of two radio and theatre groups in each location, I evoke different social worlds where political identities of resistance are articulated. Attention to daily practices reveals both groups' difficulties in accessing commodified media markets, in part because of their physical characteristics. Further, I show how these groups find their own ways to expose their subjectivities and disseminate their creative works, voices and responses, including dialogues with institutions and funding bodies. The analysis of these groups presents different results yet overall shows commonalities in how these collectives use similar tools to counteract the residues of colonialism in the present. Throughout this thesis, colonialism appears as an unfinished power relation betweendominant groups and minority groups in Spanish and Australian societies. Esta tesis se basa en el trabajo de campo realizado en dos contextos urbanos distintos. Exploro las prácticas culturales y mediáticas de latinoamericanos en Madrid, España y aborígenes en Sídney, Australia. Argumento que estos casos de estudio constituyen intentos por parte de estos dos grupos por descolonizar representaciones dominantes y homogéneas en las industrias mediáticas. Utilizando una metodología variada que incluye etnografía multi-local, observación participante, entrevistas y el análisis de los trabajos creativos de los dos grupos de radio y teatro en cada localidad, señalo los distintos mundos sociales donde los sujetos de estudio articulan identidades políticas de resiste [...]