From the Facebook event description:

Nick Williams and Sylvia Sykes are back together again! It’s been well over a year since they’ve been able to teach together in person.

Join them for a 2 hour Balboa and Bal-Swing workshop streamed on FB Live!
May 8th from 12:00-2:00pm (Pacific time)
U.K. 8:00pm
EU 9:00pm

Donations for the workshop:
PayPal: nick@nullswingnick.com
Venmo: @swingnick