Halo/Walking on Sunshine:
Rachel Berry, Quinn Fabray, Mercedes Jones, Tina Cohen-Chang, Brittany, Santana Lopez (Lea Michele, Dianna Agron, Heather Morris, Naya Rivera, Amber Riley, Jenna Ushkowitz)
Original Artist: Beyonce – Katrina and the Waves
Episode: Six, Vitamin D

Will wants the Glee club to get excited about singing again so he puts them on boys vs girls teams and challenges them to come up with a mash-up. 

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