Arlington, Texas’s own Pentatonix treated viewers of The Sing Off to an all-Brit, no-instruments medley.
[Idolator]
Watch an A Cappella Britney Spears Medley From The Sing-Off
Arlington, Texas’s own Pentatonix treated viewers of The Sing Off to an all-Brit, no-instruments medley.
[Idolator]
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