right out of my hair and send him on his way ♪ >> all great. kudos for the bee gees, as well, a clip from the movie that made travolta an icon. ♪ so, julie, when you're looking at all of those and listening to them, you understand why that they were added to the registry. >> because they are of cultural, historic, and aesthetic significance, and they are added to preserve them for future generations so people like me can listen and understand why they were a big deal at the time they were released and why they reflected something about america's cultural history. >> not only about america's history, but all three are completely different. it reflects the culture at the time they were released. >> exactly. so, you have to wonder what will be included ten years from now when the things this year are eligible to be included, maybe justin bieber, i don't know. >> we shall see.