In the fourth episode it was really interesting when different people were discussing the way the collection was put together. They each thought this was one of the most significant aspects of the collection. The part that stuck out to me most was when they talked about the order of the songs. This really resembled a thought from my last post that every song contributes to the evolution of music: "Each song overlapped one another, each song talked to each other," and "One song extends the one before it, or sets you up for the one that's coming." Each folk song influenced one another. This pattern of influence defines our music roots. Where does our music come from? It comes from a "common ancestor" and changes over centuries. It makes me think of the evolution and natural selection ideas from science.