As Phil Austin related at Thursday's chat
(see https://firesigntheatrelegacy.com/chat/logs/fstchat_20040617.html )
Firesign Theatre will be performing live on stage at the end of January
and start of February in Portland, Seattle, San Francisco, and LA:

Details are still tentative:
http://www.firesigntheatrelegacy.com/announce/

Hello Seeker! Now don't feel alone here in the
New Age because there's a seeker born every minute.
  -- Firesign Theatre