Miguel Mateos is synonymous with the history of Spanish-language rock. With a career spanning over four decades, he has been a pioneer in bringing Argentine rock to all of Latin America, impacting generations with his powerful voice. Songs like 'Cuando seas grande' and 'Obsesión' remain relevant, not only for their nostalgic value but also for their emotional and social significance. His musical legacy has inspired countless artists, and he continues to be a beacon of classic rock.