Gang of Four, the definitive punk-funk/post-punk band, has returned 30 years after storming the airwaves and inspiring everyone from R.E.M. to Red Hot Chili Peppers to Franz Ferdinand to The Rapture. Last month, the British band released the critically acclaimed Content, and now it tours in support. Wednesday, Feb. 9 at the Nightclub 9:30, 815 V St. NW. Doors at 7 p.m. Tickets are $35. Call 202-265-0930 or visit 930.com.