NPR Staff

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MICHEL MARTIN, HOST:

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

MICHEL MARTIN, HOST:

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

MICHEL MARTIN, HOST:

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

MICHEL MARTIN, HOST:

Maintaining a long-term relationship can be difficult, but Romy Madley Croft, Oliver Sim and Jamie Smith have managed to do it — and they've become megastars in the process. They make up the band The xx, and they've been making music together since they were kids.

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