Music Production Background 3 Loop shows a circle of trumpets, one after the other. Piano keys surround the trumpets in a circle. The instruments play music, creating a pandemonium. You can use this 3840x2160 (4K) footage in any project that relates to trumpet and piano performances. Download this clip today, and add it to your next edit, project, or movie. Take your video's production value to a whole new level, and astonish your audience.