I did warn you that I was going to start posting Christmas tunes. As it's Cyber Monday (and we're still recovering from the horrors of Black Friday) I am starting somewhat cynically with this gem from the brilliant Tom Lehrer.
And for the hardened cynics out there (and to celebrate my 200th post on this blog) here's a bonus ditty from Eric Idle and John Du Prez. WARNING - contains very rude words, don't play it out loud anywhere where you may get in trouble. ;-)