CSR sang about first love on 'Immortal Song'.

On the November 26th episode dedicated to veteran singer Patti Kim, rookie girl group CSR covered her 1986 hit track "Sarang'". After watching the energetic performance, Patti Kim commented on their rendition, "It's a song from 50 years ago, but it's good to listen to right now. It felt trendy." 

She added, "So cute. I want to adopt all of them. My first grandson is 17 years old. I want to take take them and teach them."

In the end, it was singer Kim Ki Tae who took the final win for part 1 of the Patti Kim special.

Watch CSR's performance above and the original by Patti Kim below.