Country joe the fish avalon ballroom san francisco concert 1967 us promotional only 5 x 7 12 postcard for the may 19 21 1967 concerts at the avalon ballroom san francisco which featured country joe the fish quicksilver messengerservice north american ibis alchemical co the family dog was a loose collective of free spirits managed by chet helms a contemporary of bill graham who put on rock dances at the avalon ballroom more or less continually from 1965 to 1970 these almos