Vintage comedy now on BBC2 with Dads Army. This tune was etched onto my brain when I was very young. I still dont see the relevance of the A21 other than it rhymes with gun.\r<br>\r<br>Who do you think you are kidding Mr Hitler\r<br>If you think old Englands done\r<br>We are the boys who will stop your little game\r<br>We are the boys who will make you think again\r<br>So who do you think you are kidding Mr Hitler\r<br>If you think old Englands done\r<br>\r<br>Mr Brown goes off to town on the A21\r<br>Then he comes home each evening \r<br>And hes ready with his gun\r<br>So who do you think...
