My intention was not to discredit the thread post, it was to give this story more perspective. They may have been a band or they may not have been. It had been reported in the days following 9/11 that the 9/11 hijackers had used phony passports, which the Taylor article had eluded to in the occurances on the Northwest flight.
There is no reason to think that a terrorist can't also play a musical instrument. Might even play it well. Atta was an architect; others in his crew were engineers. They don't all live in a cave before hijacking a plane.