The Idol Super Band's performance during KBS "Music Festival" was the most-watched moment of the entire show.

According to TNmS (Total National Multimedia Statistics), yesterday's broadcast of the show brought in an average viewer rating of 10.8%. During the first part it reached 11%, while the second part dropped slightly to 10.6%. Overall the ratings increased 4.1% from the average of 6.7% from the previous week due to the high anticipation of the festival.

Idol Super Band members consists of 2AM's Jinwoon and INFINITE's L on the guitar, SHINee's Taemin on the keyboard, CNBLUE's Kang Min Hyuk on the drums, B1A4's Jinyoung on the bass, and SHINee's Jonghyun, BEAST's Yang Yoseob, and 2AM's Chang Min as the vocalists.

The performance of the band was the highlight of the show as they reached the highest rating of 16.6%.