ISertanejo uhlobo lomculo waseBrazil, oluhlobene kakhulu nezindawo zasemaphandleni. Uphuhlisiwe ezizweni eziseningizimu-mpumalanga neBrazil phakathi nekhulu lama-20. Umculo weSertanejo uthembekile ekudluliseni izindaba zokuphila kwansuku zonke, uthando, nokuhlupheka kwabantu basezindaweni zasemakhaya. Uhlobo luhlukahlukene lwama-subgenres njengesertanejo universitário, eyavela phakathi kwentsha, kanye nesertanejo raiz, egcina umsindo wendabuko. Le mculo ufaniswa ne-country music yaseMelika, ngenxa yezingoma zalo ezithinta abezemvelo nezomphakathi. ISertanejo isiphenduke ethandwa kakhulu eBrazil, inefuthe elikhulu embonini yomculo wezwe.