Make a drum message, like the Bora people in the Amazon do ( https://www.independent.co.uk/news/science/amazon-people-drum-language-long-distances-bora-rainforest-colombia-peru-a8320196.html )
First drum your message, and then (just to make sure) tell us what your message was.
Use Twitter video functionality or SoundCloud to share your message with us on Twitter.
Tweet your response to @ds106dc and be sure to include the hashtag #tdc2321
Don't Want to Tweet Your Response? Really?