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Let's be honest with ourselves, shall we? Tuesday night's show was really going to be all about Adam Lambert and Allison Iraheta. They are this season's resident rockers and, with Tuesday bringing a rock theme, how could the two not dominate?

And they definitely did on a night that gave the four finalists a chance to mix it up with Slash, who rose to rock glory with Guns N' Roses. Also, for the first time, we got to see the finalists sing duets during a performance night.

OK, so slip on your leather pants, hold up your lighter, crank up the classic rock and let's get rolling. I've decided to classify the performances into two categories in terms of how rockin' the finalists were.

Heavy metal: Tuesday's star was Adam, by far. He has the vocal range and attitude for the rock theme. On a side note, the more I watch him perform, the more I see him as a modern day Freddie Mercury, the Queen frontman. Adam definitely has the same stage flair and ability to captivate. But, Adam did not choose a Queen song. Instead, he performed "Whole Lotta Love" by Led Zeppelin. True to form, Adam was ever the rock star as he commanded the stage and belted out his notes. The judges loved them some Adam. Simon told him that no one would be able to top his performance on Tuesday, and Simon was right. Next up was little rocker chick Allison who chose "Cry Baby" by Janis Joplin. I really wish she hadn't performed a Janis song because I think it's hard to infuse those songs with originality after Joplin's unique style. Still, I thought Allison had swagger and sass and did the song justice.

Lite rock: Poor Kris Allen. Tuesday night's theme was going to be tough for him. The guy is just not the type who will be fronting Metallica anytime soon. The same goes for Danny Gokey. It's just not their genre. Still, they gave it a go with mixed results. Kris chose "Come Together" by The Beatles and it was so-so. It felt like the song overpowered him instead of vice versa. But the note -- actually, make that the scream -- heard round the "Idol" world was from Danny. He picked "Dream On" by Aerosmith and did nothing new with the song. When it came to the song's glory note at the end, Danny let out a scream that, I swear, could be heard in a space station at that exact moment. It was terrible and I thought it was his worst performance. Simon said Danny's last note was like watching a horror movie. I have to agree because that note will probably haunt my dreams tonight.

Dueling duets: Adam and Allison were really the power couple tonight. They finished the show with a performance of "Slow Ride" by Foghat that was stellar. The two really worked well together, and the judges suggested they perform a duet again when each of them cuts a record. Danny and Kris also tag-teamed it with the song "Renegade" by Styx. I wasn't crazy about the performance because it lacked any kind of power or pizazz.  

Now it's time to determine who will be sent packing on Wednesday. I would say Kris because he did not fare well Tuesday night, but I think he has a large enough fan base that will save him. My fear is that it might be Allison who heads home. It would make me sad, but I'd just have to hold out hope that she makes an album soon. Other than that, I think Danny should be in the bottom three.

All right, rocker gals and guys, what did you think about tonight's theme? Did it rock your house? Also, what were your thoughts about the duets? Did they dazzle or disappoint you?

 Allison

 Danny