Whose song is Hi_Tack / Say say say (waiting 4 u) (radio mix)?

Artist		Album
Firstclass - The Finest In House (Best Of 2006 Vol. 1) CD 1		Firstclass - The Finest In House (Best Of 2006 Vol. 1) CD 1
Various		@Bravo Hits 52 (A) CD2 Bravo Hits 52 (CD 2) Dance Max 2006.02 - CD 1 Deutsche DJ Charts Vol. 3 - CD 2 Firstclass - Best Of 2006 Vol. 1 (Disc 1) Tanecni Liga 86
Various Artists		Dance Max 2006.02 (CD 1) Dance Max 2006.02 (CD1)