Moderator - not sure if this is OT, I leave it up to you to decide:

This is not a musical performance event. It will primarily involve old
and new analog electronic music gear with an opportunity for hands-on
exploration. This is open to the public and there is no charge. Photos
from past gatherings and details on the 10/16 gathering at 21Grand in
Oakland from 11 Am - 6 pm may be found at:

http://www.fdiskc.com/ahcali/