Steel Train’s Jack Antonoff recently began recording and performing under the moniker fun. with Nate Ruess (The Format), Andrew Dost (Anathallo). The trio will now release their debut disc Aim And Ignite on August 25. fun. will support that recording with two legs of tours, the first of which will open on August 14th in El Paso, Texas. From there the trio will head out to California on a bill with Hellogoodbye. Then on September 8, fun. will begin a headline tour that will cross the nation, starting out in Salt Lake City at Kilby Court. Some of fun.‘s music has been made available at the group’s MySpace page.