Female Artists Serenading Male Fans - Is This Artistic Or Moral Degradation?

What can this mean? Craziness or fondness for this artiste? This is one question that the guy on the ground would have to tell us.
He was spotted in this position below while this artiste performs.

A source said “Fortunately the man seemed to be enjoying all the scenes throughout the performance. I think this man must have been a #diehardfan for this lady musician…gosh