Here is another installment of The SPIN Underground Guide, brought to you by HTC, a collection of the hottest spots in New York, Chicago, Portland, and Los Angeles compiled by cutting-edge musicians who know these cities intimately. Check out guided tours with members of The Thermals, Cults, Black Cards, and Airborne Toxic Event as they take you around their stomping grounds. If you ever happen to find yourself at any of their favorite places, be sure to check in with Foursquare for insider tips about the joints.

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