'American Idol' Motown Preview: Will Casey Abrams Bounce Back?

There was a time when a Motown-themed evening was an "American Idol" institution. Kelly Clarkson delivered such a dizzying take on Marvin Gaye and Tammi Terrell's "You're All I Need to Get By" in season one that a bewildered Simon Cowell tried on a Southern accent and told her, "As they say in Texas, y'all did a great job!" Ruben Studdard soared with the Four Tops the next year, and then Fantasia