Julian explained why he was breaking his previous vow that he "would only" sing the song if it was "the 'End of the World" but was making an exception to make "love and togetherness" appear, if only briefly.
He said: "Why now, after all these years? I had always said that the only time I would ever consider singing 'IMAGINE' would be if it was the 'End of the World' But also because his lyrics reflect our collective desire for peace worldwide. Because within this song, we're transported to a space, where love and togetherness become our reality, if but for a moment in time ..."
Julian said: "The song reflects the light at the end of the tunnel, that we are all hoping for ... As a result of the ongoing murderous violence, millions of innocent families, have been forced to leave the comfort of their homes, to seek asylum elsewhere."
Julian concluded his thread with a plea to "world leaders and everyone who believes in the sentiment" of the song to do something for the millions of people displaced by the conflict, such as donating to refugee aid providers Global Citizen.
He said: "I'm calling on world leaders and everyone who believes in the sentiment of IMAGINE, to stand up for refugees everywhere!"
"Please advocate and donate from the heart. #StandUpForUkraine."