Thought I'd check, given Winston Bazoomies' death seems to have gone unnoticed.
Report here with a confirmation: https://www.brightonandhovenews.org/2022/12/13/gosh-its-bad-manners-and-their-xmas-bash-at-the-concorde-2/
Which also confirms that while he did appear, Bloodvessel wasn't well.
"Buster said his goodbyes and said he was suffering from ill health himself, but was happy to be playing gigs again. He was on top form I must say, and long may he continue entertaining us, as he and his energetic band did tonight."