Girl Groups:
*4minute - Hollaback Girl intro, Remixed Muzik and Hot Issue
*T-ara - Bo Peep Bo Peep
*f(x) - Chu ~ ♡ with Super Junior's Shindong and Donghae + Magic
*Davichi - 8282.
*f(x) and Kara - Ring Ding Dong.
*SNSD and f(x) - Sorry, Sorry.
*CL - Heartbreaker
*Kara, 4minute and After School -Heartbeat.
*2NE1 - uniform version of I Don't Care and Fire.
*Son Dambi - Saturday Night
*After School - Because of You (remix ver.)
*Kara - Honey and Same Heart.
*Brown Eyed Girls - Sign.

Boy Bands:
*2AM - This Song, Friend’s Confession and Special Performance
*2PM - 5steps
*SHINee - Juliette (acoustic ver.) and Ring Ding Dong (remix ver.)
*Park Jin Young - hit song medley.
*K.Will and SHINee's Jonghyun - For Your Love and Gone.
*G-Dragon - Heartbreaker and Gossip Men.
*Taeyang - Only Look At Me and Wedding Dress.
*G-Dragon and Taeyang - slow version of Lie and Korean Dream.

2PM:
*Again & Again remix
*Tired of Waiting
*Heartbeat
*Junsu's "Bump N Grind"

YG Family Joint Stage:
*Park Bom and Taeyang - You and I
*CL and G-Dragon - The Leaders
*2NE1, Taeyang and G-Dragon - Let's Go Party
*Taeyang piano solo

source: allkpop