Viewers of the TV series "Nashville" which returns soon, will have been familiar with their performances for at least a couple of years.

These kids can sing anything, not just Country. They obviously enjoy singing together and Maisy's voice "is to die for."
Over four million hits in less than two weeks.

https://www.youtube.com/watch?v=X6f1yACIoNY

I love their version of Hey Ho

I do too.

such a talented pair these two, well worth checking out their videos on youtube.