I have had same question since childhood like written in the sentence: "why is it that music gets stuck in our heads? Why not lines from movies or TV shows or books?"
Daniel Levitin, of McGill University in Montreal said, "So for a very long period of time, we needed to remember information, information like where the well is, or what foods are poisonous and which aren't, and how to care for wounds so they won't become infected." He thinks for most of human history, people memorized this kind of information through songs.
As he said, we have memory with any songs, and those songs remind us of some our moments, and things. I have experienced like that, but I forgot the details. Probably, when I encounter the songs that I've heard, my memory will come up with me.
Daniel Levitin, of McGill University in Montreal said, "So for a very long period of time, we needed to remember information, information like where the well is, or what foods are poisonous and which aren't, and how to care for wounds so they won't become infected." He thinks for most of human history, people memorized this kind of information through songs.
As he said, we have memory with any songs, and those songs remind us of some our moments, and things. I have experienced like that, but I forgot the details. Probably, when I encounter the songs that I've heard, my memory will come up with me.