Comedian Shin Bora and singer Ailee compete with their vocals. 

On the 20th on KBS2 "Immortal Song" the production crew alerted start news that, "Shin Bora featured in an 'Immortal Song' special summer song for the episode to be aired on the 21st.'"

They added, "Shin Bora featured in order to support Ailee's performance," and, "Ailee and Shin Bora are from the same agency so they were able to perform together."

The duo performance could be seen as a competition of range for the two singers. Shin Bora is currently a part of a co-ed group called Brave Guys, and is also working as a comdian. Her strong vocals place her right in the pool of other professional singers.

Ailee has been praised this past year by her seniors in music by her great performances on "Immortal Song."

The second episode of "immortal Song" summer special will air soon. The first episode will air on the 21st.