So let me get this straight, an employer can FORCE you to be subjected to the National

[Lee-Lee]

3. Yep

I don't know why you started a new post because you didn't like the answers you were getting in the first one, but the answer is the same.

If they deem it part of the job, then yes.

For example a NASCAR event, what your post was about, is a public exhibition and entertainment event. Part of that entertainment event is the ceremony that includes the playing of the National Anthem. If the employer determines that you need to conduct yourself in a certain fashion during that part of the event, then you have to.

Given that it is a public exhibition and conduct that the fans don't like can hurt the employers brand and ability to make money they would have every cause to fire an employee who conducts themselves in a way they feel harms their team or brand.