A young Ukrainian girl who recently performed a moving rendition of the "Frozen" hit "Let It Go" for her fellow citizens at a Kyiv bomb shelter is safe in Poland. And in an emotional performance from her host country, the girl honored Ukraine with an a cappella version of its national anthem.
source https://www.cnn.com/2022/03/21/world/girl-ukraine-national-anthem-concert-let-it-go-cec/index.html