[SunkenCiv]

Greg Lake performs his 1975 classic "I Believe in Father Christmas" filmed live at St. Bride's Church, Fleet Street, in the City of London with Jethro Tull' s Ian Anderson on flute, David Arch on keyboards, Florian Opahle on acoustic guitar and the church choir.

I believe in Father Christmas - Greg Lake - Ian Anderson | December 17, 2011 | TarkusChristmas

[Robert DeLong]

That was a very nice version. I have heard this one before:

Greg lake - I Believe In Father Christmas