The cause is working to raise money for the country during the Russian invasion.

So today, for the first time ever, I publicly performed my Dads song, IMAGINE.

Why now, after all these years?

Julian Lennon Performing Song

Screenshot:YouTube

Lennon continues to explains in another tweet.

Lennon ended his tweets by urging world leaders to take action for those displaced by violence where they live.

Lennon is the son of the late John Lennon, who first wrote and performed the song.

John Lennon and Yoko Ono

Photo:University of Michigan(Public domain, via Wikimedia Commons)

The younger Lennon vowed to never perform it, but the war in Ukraine caused him to reconsider.