Trapcode Form plugin used. All particles can be customized.
Use HUE to change BG color. Main backgrounds are pre-rendered in 3d software.
Very easy and fast to use. Watch Full HD Tutotial: https://youtu.be/ERdWfHinWeM
Both video and images are available. Each segment has a duration of 3 seconds.
After effects cs6 or above.
Music: https://audiojungle.net/item/the-digital-technology/23609471