IU, drew drew attention with hitting Miss-A's Suzy's butt, confessed that she did not want to let any other singers to take the song 'Good Day'.

IU, sensational popular with the new song 'You and Me', reminisced the time she first heard 'Good Day' on KBS 'A Whole Generation Saturday, which will be aired on 17th.

MC Kang Suk Woo asked "Did you know right away this one will be a big hit?", IU answered "I didn't know it was going to be THIS big. I thought the song had an impact, and didn't want any other singers to take it".

IU performed 'Three level high-pitched tones', an hot issue as soon as 'Good Day' hit, causing uncle fans yelling out for a cheer.

IU also shared a story of Jung Jae Hyung , who appeared on 'Good Day' music video. I got endless calls from viewers asking "Is it Lee Bong Won in the music video?" having audience laugh.

Show is on December 17th 9:05 am.