Snapchat can stitch multiple Snaps into one concert video
 

If you aren't able to see your favorite performer on stage, don't worry -- random Snapchat users will help you out. The app's newest feature, Crowd Surf, stitches together snaps of the same event to make a cohesive, seamless video from multiple persp...

https://www.engadget.com/2017/08/14/...concert-video/