black-ish S04 E01 Juneteenth

The Johnsons go to Jack and Diane's school play about Columbus Day, and Dre is dismayed by the historically inaccurate way that the holiday is portrayed. He feels like there aren't enough black holidays, so he enlists Aloe Blacc at work to help him create a catchy song to raise awareness for a holiday worth celebrating, Juneteenth.