Saemaul Ondong
SP NORMAL  ☆7
SP HYPER      ☆10
SP ANOTHER ☆12

original song by Park Chung Hee (ex-president of Republic of Korea)
Arrange/Song/BMS by Virtual Farmer

I don't know whether it is copy or not
however
I know that it would be safe from copyright

because There are Saemaul-Song remix competitions hosted by government