Unfortunately not a Black Flag cover, Henry. Still, San Francisco post-punk revivalists Erase Errata's first single in four years has its charms. Interestingly, instead of the jagged, shambling raised-on-the-Fall thing you might expect, it sounds like Jenny Hoyston & Co. are paying attention to the darker, smoother sounds of 2010 (a sound that's replaced the Gang Of Four floating around ...