WHAT’S IN THIS VIDEO: The pieces that are popular one place are not those that popular someplace else. Cultural context means a lot. When a piece of music gets associated with a cultural moment it becomes popular. Barber’s Adagio for Strings is one such piece. When pieces are used to sell underwear it helps too. Pieces are popular when they have a hook. There’s something about it that sounds unique; musically-identifiable traits stick in the mind.