Hey Hey, Rise Up! features David Gilmour and Nick Mason alongside long-time Floyd bassist Guy Pratt and Nitin Sawhney on keyboards.
But the song is built around a spine-tingling refrain from Ukrainian singer Andriy Khlyvnyuk of the band Boombox.
Gilmour says the song is a show of "anger at a superpower invading a peaceful nation".
But it is also intended as a morale booster for the people of Ukraine, and a call "for peace".