Ukrainian President Volodymyr Zelenskiy on Sunday made a surprise video appearance at the music industry's star-studded Grammy Awards celebration in Las Vegas and appealed to viewers to support his country "in any way you can".

"What is more opposite to music? The silence of ruined cities and killed people," said Zelenskiy in the video that introduced John Legend's performance of ‘Free’ and featured Ukrainian musicians and a reading by Ukrainian poet Lyuba Yakimchuck.

"Fill the silence with your music...