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A sad day for indie-rock.

Sonic Youth's Kim Gordon and Thurston Moore have split up after 27 years of marriage, their rep confirms to Us Weekly

"Sonic Youth, with both Kim and Thurston involved, will proceed with its South American tour dates in November," their rep said in a statement. "Plans beyond that tour are uncertain. The couple has requested respect for their personal privacy and does not wish to issue further comment."

Married since 1984, Gordon, 58, and Moore, 53, have a 17-year-old daughter Coco.