Detroit Cobras Front woman Rachel Nagy and guitarist Mary Ramirez, two high-talent chicks from Detroit with a tough-girl shtick as unsubtle as Nagy's big ol' voice, rough up nuggets from the 50s and 60s by artists both familiar and obscure, paying tribute instead of merely ripping off. 8:30 PM, Double Door , 1572 N. Milwaukee, 773-489-3160 or 312-559-1212, $10 suggested donation; This show is a 15th birthday party for Bloodshot Records, the Cobras' current home, as well as a benefit for labelmates Lawrence Peters and the Scotland Yard Gospel Choir, who are both struggling with some serious medical bills. Read More