Only one Councilor during proceedings. Boston City Council. Does it violate the spirit of Sunshine open public meetings principles?

Does it violate the spirit of Sunshine open public meetings principles?

Proceedings and transactions of our Boston City Council
appear to be a sham.
For example, here's a Boston Finance Commission Budget Hearing so called before our Council's
Ways and Means Committee chair Councilor Stephen Murphy
http://www.cityofboston.gov/citycouncil/cc_video_library.asp?id=503

Only one Councilor !

References
http://www.mass.gov/legis/laws/mgl/39-23b.htm

Open Meeting Law and Public Records Law
Lorraine Tarrow, Assistant Attorney General
General Counsel’s Office
Office of Attorney General Martha Coakley
http://www.mma.org/
index.php?option=com_events&task=view_detail
&agid=203&year=2008&month=06&day=21&Itemid=47