If she truly wanted to protest, then why agree to sing it in the first place. Completely contradicting herself.
When a chance to Attention Whore arises for some ain't nair a thing else matter 'cept getting eyeballs on theyselves. These people could not possibly care less about Black Lives or any lives for that matter. What matters to them is being on a Stage, playing Revolutionary and getting their 15 minutes of "fame".
If they cared about Black Lives even one tiny bit they'd be focused upon the primary killer of Black People (other than disease or accidents) which is themselves, other Black People.
That would require thought & honesty on their part though, neither of which they have within them the power to summon.