I used Premiere Pro and After Effects (for the last shot). Next time I would probably try to do everything in After Affects since it has real alignement features and better control over animating positions.
Dear @georgob, inspired by your video I realised something similar with the Essener Philharmoniker and the Aalto Ballett Essen:
https://www.youtube.com/watch?v=6zAxUoAB7zU&feature=youtu.be&fbclid=IwAR3N0UyzTI0WZPuRsic7yYuDgsrqVDyfZIy1EdhncEp7L9VnrljJgoPNxf4