Fat Wreck Chords, a record company specializing in punk rock and its subgenres, is being featured at a concert as part of the CMJ Music Marathon. Many bands signed by the San Francisco-based independent label will play at the Music Hall Of Williamsburg in Brooklyn on Oct. 18, including The Flatliners, Good Riddance, Western Addiction and Night Birds. The groups will also perform at the Rocks Off Concert Cruise in New York City on Oct. 19, but without The Flatliners. The whole festival takes place Oct. 15-19 in New York City.