Iran's national anthem is covered from S Korea's Anthem...(not jocking)

Aegukga, the national anthem of South Korea

For more, see http://nationalanthems.me/south-korea-aegukga

South Korea: Aegukga

Without a Break

Hymne des Kaisertum Österreichs. Gott Erhalte Franz Den Kaiser...

Album of tracks done by Exclusive Soviet Synthesia in 2018, arranged by Mikhail "Mike" Maximovich Troshin,

We will follow You only by the Moranbong Band

A strange version of the song as it is sung by Japanese vocalists with the original manchu lyrics.