Emma Pillsbury will perform a rare solo, covering 5th Dimension's 'Wedding Bell Blues' with backing vocals by Mercedes and Coach Sue -- yes, Coach Sue!
In other McKinley High love story lines, Sam joins the school's synchronized swim team in the hopes that his chiseled bod in a Speedo helps win back Mercedes' heart. The two, who shared a fleeting summer romance, duet on 'Grease's 'Summer Nights.' Meanwhile, Becky has her sights set on Artie!
As predicted by AOL Music in out 'Glee' Season 3 songs wish list, the cast will cover Maroon 5 and Christina Aguilera's 'Moves Like Jagger'! Artie will do the honors, fittingly mashing the ode to Mick Jagger up with the Rolling Stones' 'Jumpin' Jack Flash.'
Rachel and Santana team up for a rendition of Rihanna's 'We Found Love,' while Rachel sings a stunning ballad version of David Guetta and Usher's club hit 'Without You.'
Rachel, Mercedes, Santana, and Tina cover an old classic, Roberta Flack's 'The First Time Ever I Saw Your Face.' You can listen to all six songs from tonight's episode of 'Glee' before it airs below!

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