A bunch of rockers are participating in the ‘Stand Up For Ukraine’ social media movement.

Among the artists participating in the April 8th social media campaign are Ozzy Osbourne, Red Hot Chili Peppers, U2, Radiohead, Billie Eilish, Green Day, Pearl Jam, and many more.

The event was organized by Global Citizen and is designed to mobilize people across the globe to call on world leaders to commit billions of dollars to help refugees.

More than 12 million people need assistance due to the war in Ukraine, and more than 6.5 million have been displaced. Visit GlobalCitizen.org to learn how to participate.