Like everything else in the movie business, trailers chase trends. Somebody does something, that thing becomes a huge hit, and then everyone copies it. That’s particularly evident in the use of music in trailers. For a few years, Inception BRAAAHMS were everywhere. Recently, we’ve been buried beneath an onslaught of trailers with sad versions of pop songs (so many, in fact, I made two different lists of them). Now there’s a new trend: Imagine Dragons.