Perfect (Ed Sheeran)

link a Youtube: https://www.youtube.com/watch?v=2Vv-BfVoq4g

Happy (Pharrel Will.)

https://www.youtube.com/watch?v=C7dPqrmDWxs

Don't Worry Be Happy

(Bobby McFerrin)

https://www.youtube.com/watch?v=d-diB65scQU

Thunder

(Imagine Dragons)

https://www.youtube.com/watch?v=fKopy74weus