These are the separated backgrounds from my VideoHive Project “Spinning Galaxies”, but I’ve made 4 variants of color + 1 with Alpha Channel. All elements are looped and have duration exactly 10 seconds (30 frames per second).
You can use these elements as the great background for your work placing someone title(s) in the center of video.
4 screens from every background:
Audio track for this motion graphic you find here: plastic3.
You can also check out my project where I’ve used this background: