Originally Posted by suniil:
“I always thought that's a proper technique to sing”
It is. There shouldn't be any tension in your bottom jaw's muscles, and it should be free. It just looks more pronounced/obvious in some people.
Actually, there was a contestant on the XFactor auditions who got laughed at just because of this reason
Whatever happened ot judging a singer based on the sound that comes out of the mouth, rather than how they look whilst they're doing it?