Do jazz bar singers ever act like this, asking you to pour drinks?

At a jazz bar today
The singer was an idol-like
Handsome guy.
Young
I guess it's possible for customers to fall for them and call them over
Even I thought he was incredibly handsome
I felt like people in power might actually do such things
The camellia cafe & music bar
It's a bar in Nimman Haemin, and the band vocalist performing after 9 PM was a handsome
guy.
Hi! Who was the male name and