Above: The Grateful Dead is one of several bands featured in &amp;#8220;&amp;#8217;67 Summer of Love: The San Francisco Sound,&amp;#8221; to be screened June 2 as part of the Avon Theatre&amp;#8217;s &amp;#8220;Legends of Rock Live&amp;#8221; documentary film series. Live rock &amp;#8216;n&amp;#8217; roll will hit the big screen when Stamford&amp;#8217;s Avon Theatre hosts Legends of Rock Live [...]