In 1969, Pink Floyd were interviewed on the BBC, where they did a one-time only performance of “The Merry Xmas Song.”
The unreleased track is considered notable not only for its status as a rarity, but as the last of only five Floyd tracks to feature drummer Nick Mason on vocals.
Pink Floyd – The Merry Xmas Song
See also:
AUDIO: Pink Floyd – A Foot In The Door radio special
Roger Waters to wed for the fourth time