David Byrne, of Talking Heads fame and St. Vincent have teamed up and created a very unique pop album called Love This Giant that is centered around a brass band. The writing is very unique, and not at all like your typical rock horn section writing. It is minimalist in nature and the counterpoint and instrumentation is very complicated. Here is a clip from their recent appearance on David Letterman. Wikipedia has a link listing the personnel for the original recording.