The Idols were flown to Las Vegas to meet Andrew Lloyd Weber for their mentoring.
Brooke White started, stopped, and then started again for the second time this season. David Archuleta, also flubbed his lyrics for a second time, however it was not as noticable this time.
Actor, David Duchovny was in the audience.
Songs performed tonight were...
"Think of Me" (The Phantom of the Opera) - David Archuleta "The Music of the Night" (The Phantom of the Opera) - David Cook
"One Rock & Roll Too Many" (Starlight Express) - Syesha Mercado
"Memory" (Cats) - Jason Castro
"You Must Love Me" (Evita) - Brooke White
"Superstar" (Jesus Christ Superstar) - Carly Smithson
The episode won an Emmy Award for Outstanding Picture Editing of Clip Packages for Talk, Performance, Award or a Reality-Competition Program.
For the first time since Season 1 Top 6 week, there is a band on the stage for all the performances.
At the very end of the show all three judges had Phantom masks on.
Carly Smithson had a shirt that said "Simon loves me (this week)" which she revealed after getting a good comment from Simon.
Andrew Lloyd Webber was this weeks mentor, and was also in the audience.