Yes, the workshop will be recorded. No, it will not be successful without participation. If you care about completely unused VHF/UHF spectrum in the US, and want to see educational, modern, non-commercial use of this band happen without unnecessary impediments and silly rules, then we need your input now.
Here's the link to RSVP (no you do not have to be an IEEE member to use vTools and sign up and attend):
Even if you simply want a recording of the workshop, please register. Then you can get a notification.