Pop Idol returns once more for round 4 of the semi-finals. With just 20 more contestants to perform over the next two weeks, the heat is on to find some more top quality talent for the final's. The judges are unanimous in thier dissapointment with this week's heat. From thier comments, its going to be a three-horse race between Kim, Leon and Becca. But with only two places up for grabs, one will leave dissapointed. Performances (In Order of Apperance) Elizabeth: You're Still the One (Originally Performed by Shania Twain) Sarah: Stuck In The Middle With You (Originally Performed by Stealer's Wheel) Jamie: Right Here Waiting (Originally Performed by Richard Marx) Kim: Son of a Preacher Man (Originally Performed by Dusty Springfield) Laura: Killing Me Softly (Originally Performed by Roberta Flack) David: What Makes a Man (Originally Performed by Westlife) Danielle: When I Fall In Love (Originally Performed by Nat King Cole) Leon: You Are Not Alone (Originally Performed by