Complex sentence: Universal Stereo has had big success since its creation because of people who lived in the sixties and seventies looking for memories of the past and also new generations that like this kind of music, being one of the most-listened stations in Mexico City.
Split into simpler sentences: Universal Stereo has had big success since its creation because of people who lived in the sixties and seventies looking for memories of the past and also new generations that like this kind of music. It is one of the most-listened stations in Mexico City.