CLEAN : Brazil: Revellers welcome 2018 on Rio's Copacabana beach 2

The video captures a sequence of events starting with a hopeful song, followed by an awe-inspiring fireworks display and a vibrant crowd. It concludes with a great concert experience, leaving the speaker feeling content and in the right place.

Explain the meaning behind 'Great concert. I wouldn't be anywhere else in the world.'

What could 'Play out.' imply in the context of a concert?