Musician's Mike Shuts Down Airport Gates FORT WORTH, Texas (AP) -- The next time Brian Teasley gets on a plane, he promises he'll ship his custom-made microphone. That same device shut down five gates at Dallas Fort Worth-International Airport last week. Teasley, a member of Dallas-based pop-rock band Polyphonic Spree, had been in Austin where the group taped an episode of "Austin City Limits." He was taking a flight to his home in Birmingham, Ala., on Thursday. The percussionist for the 25-member band had planned to do some recording at home, so he put the microphone in his suitcase, he said in Saturday editions of the Fort Worth Star-Telegram. When his suitcase didn't show up on the baggage carousel in Birmingham, he filled out the missing-luggage paperwork and went home. He didn't know the suitcase wasn't there because it was under scrutiny at the Texas airport.