09/09/06: MBC Music Core - Timeless Feat Kim Junsu (Debut)
09/10/06: SBS Inkigayo - Timeless Feat Kim Junsu
09/17/06: SBS Inkigayo - Timeless Feat Kim Junsu
09/22/06: SBS Music Wave - Timeless Feat Kim Junsu
09/24/06: SBS Inkigayo - Timeless Feat Kim Junsu (Wins Mutizen Award)
10/28/06: MBC Music Core Korean Drama Festival - Timeless Feat Kim Junsu
10/29/06: SBS Inkigayo Jeju Island Special - Timeless Feat Kim Junsu
11/29/06: SM Hainan Concert - Y (Why...) (Chinese) + Timeless Feat Kim Junsu (Korean)
12/30/06: MBC Music Core - Y (Why...)
12/31/06: MBC End of the Year Festival - Timeless Feat Kim Junsu
01/06/07: MBC Music Core - Y (Why...)
01/14/07: SBS Inkigayo - Y (Why...)
02/04/07: SBS Inkigayo - Y (Why
02/10/07: MBC Music Core - Y(Why...)
02/23/07 - 02/25/07: Guest Appearance at DBSK 2nd Asian Live Concert in Seoul - Tri-Angle (FANCAMS ONLY)
03/07/07: Guest Apperance at DBSK Jeju Island Hallyu Expo: Timeless Feat Kim Junsu
06/16/07: Beijing Pre-Olympic Bid - Y (Why...) (Korean) + Magic Castle (Chinese) + One World One Dream (Chinese + Various Singers)
06/23/07: 2007 SMTown Summer Concert in Pusan - Y (Why...) + Timeless Feat Kim Junsu + Lovers (FANCAMS ONLY)
06/30/07 - 07/01/07: 2007 SMTown Summer Concerts in Seoul - Y (Why...) + Timeless Feat Kim Junsu + Lovers + Let's Go On A Vacation (SMTown) (FANCAMS ONLY)
07/07/07: 2007 SMTown Summer Concert in Daegu - Y (Why...) + Timeless Feat Kim Junsu + Lovers + Let's Go On A Vacation (SMTown) (FANCAMS ONLY)

Credits: vietblue99 @ Soompi Forums
Thanks a bunch!! :D