From Rocklopedia Fakebandica
Dinah Bank is leaving the band to marry the son Johnny Haxford. Ted Lew shows up and there seems to be no hard feelings when suddenly Johnny is mysteriously shot. Mason later confronts Lew and figures out he used a gun hidden in his cane to secretly murder Haxford at the party.
Lew is a reference to real 1920s bandleader Ted Lewis, wearing Lewis's trademark battered top hat and using Lewis's catchphrase, "Is everybody happy?"