Earth: Formerly notable for their slow, earth-moving drone, this Pacific Northwest outfit has morphed into something a good deal more nuanced in its second incarnation under the guidance of founding member Dylan Carlson. The pioneering band, which counted the late Kurt Cobain as a fan and even an occasional collaborator, is now exploring the quieter contours of the sonic spectrum once entirely missing from its loud, heavy repertoire, 8 p.m. Friday-Saturday at Township, 2200 N. California Av., $15; ticketweb.com.
OM: Al Cisneros (bass, vocals) was a founding member of stoner-rock giants Sleep. With OM, he moves in a more contemplative direction, as epitomized by the strings-streaked dark beauty of their latest release, “Advaitic Songs” (Drag City), 10 p.m. Saturday at Empty Bottle, 1035 N. Western Av., $15; emptybottle.com.
Rosanne Cash: The former country star survived a wicked game of Nashville commercial roulette and is now thriving as a singer-songwriter unbound by category. She’s performing with her longtime partner, producer and ace guitarist John Leventhal, 8 p.m. Sunday at City Winery, 1200 W. Randolph St., $48, $58, $68; citywinery.com.
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