RFM is a well-known Portuguese radio station, and Café da Manhã is its morning programme, known for light-hearted humour and listener interaction. The clip comes from a compilation of phone calls by Nilton, a presenter associated with the show's prank-style segments, which fans have shared and reposted as short audio bites. Because the calls feel unscripted and distinctly Portuguese, the sound has kept a small cult following among listeners who use it to signal a morning show, a joke call, or a nostalgic radio moment.