Are you on an iOS device?
Record using the Voice Memos app or similar
and upload it here. Max filesize 2Mb.
If you recently experienced the Cloud you can leave a 1 min. recorded message here: share what you experienced inside the Cloud or if there is something that you would like to forward to future communities of the Unknown Cloud.
Your message will not be accessible and stored online but only experienced as it rain out on future participants - on a field, a beach or perhaps a height over a city...