I’d send them a black and white video in a dark room. Maybe wearing an Afro wig.
“Black Like Me”
Will they love you in this makeup?
https://picryl.com/media/al-jolson-stage-and-screen-actor-sayre-4840-c450c1
Al Jolson used burnt cork.
blackface–when people darken their skin with shoe polish, greasepaint or burnt cork.