IdolPhenomena

Here are some of the groups to be featured on tonight's episode of American Idol.

Scotty McCreery + Lauren Alania Suddeth

Tim Halperin + Julie Zorilla

Sophia Shorai + Ashley Sullivan

Pia Toscano + Karen Rodriguez

Thia Megia + Melinda Ademi

Brett Loewenstern. + Brittany Mazur + Chrissy Feliciano

Keisha Lewis + Ta-Tynisa Wilson + Jerome Bell

Jimmy Allen +Chelsea Sorrell + Colton Dixon

Ashton Jones + Kendra Chantelle

James Durbin + Stefano Langone

Casey Abrams + Chris Medina

Naima Adedapo + Jacob Lusk + Haley Reinhart

Jackie Wilson + Tiwan Strong

Alexander Ryan + Molly DeWolf Swenson

Robbie Rosen + Aaron Sanders + Jordan Dorsey

Rachel Zevita + Phil Brooks + Casey Schuber

Jovany Barreto + Lauren Turner

Sources: Joe's Place Blog and MJ's Big Blog