Zedd, Elley Duhé - Happy Now (Lyrics),Justin Timberlake - CAN'T STOP THE FEELING! (From DreamWorks Animation's "Trolls") (Official Video),Pharrell Williams - Happy (Official Music Video),Marshmello ft. Bastille - Happier (Official Music Video),Bobby McFerrin - Don't Worry Be Happy, just be happy :)