At Mr. Peabody’s in Encinitas last summer people were eating burgers and sipping on affordable tall cocktails. The faint chatter of voices was broken up by the occasional clack of the pool stick. Older men and women stood ready to shake a leg, and the younger folks started to take over the outside tables as the night grows dark. That was when CHUGBOAT hit the stage. A quick synchronized ditty, and right away this ensemble was doing some unexpected things. Watch the mandolin a