As a lesbian trio from Texas, sisters Phanie and Nina Diaz with Jenn Alva -- aka Girl in a Coma create noisy music inspired by the post-punk/new wave genre. They open for new British quirky techno band Foals. Sunday, Oct. 3, at 8 p.m. Black Cat, 1811 14th St. NW. Tickets are $15. Call 202-667-4490 or visit blackcatdc.com.