The Battle Rounds are heating up on season 21 of — and a Team Legend showdown on Tuesday has the coaches ready to make some major moves!In a sneak peek at the upcoming battles, Brittany Bree and Samara Brown take the stage to put their harmonic spin on Aretha Franklin's rendition of «Something He Can Feel.»The pair's dynamic, soulful duet has the coaches on their feet almost immediately, and John Legend looking over his shoulder for a potential steal.«Your voices are insane!» Kelly Clarkson raves of the performance. «It was this tug of war of me going, 'Who am I going to tell John to pick?' and then I was like, 'I don't care about John.
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