Ukrainian choirs perform with The Rolling Stones

STORY: Eyewitness video from the crowd showed the vocalists wearing white T-shirts featuring The Rolling Stones’ tongue and lips logo printed in the colors of the Ukrainian flag, as they repeated the song's lyrics a capella.

The video also captured the moment band members, including frontman Mick Jagger, began playing their instruments following the choirs' intro.

Led by choirmaster Ruben Tolmachov. the Dzvinochok boys choir and Vognyk girls choir travelled from Kyiv to join the band on stage in the Austrian capital, according to the Rolling Stone website.

The special performance happened towards the end of the band’s show at the Ernst Happel Stadium, the website said.