Music video genre analysis

Little Mix, Wings music video https://www.youtube.com/watch?v=cOQDsmEqVt8
Ellie Goulding, Outside music video https://www.youtube.com/watch?v=J9NQFACZYEU
Taylor Swift, Shake It Off music video https://www.youtube.com/watch?v=nfWlot6h_JM

3 video analysis from amber360