A singing group that began as a way to help military moms cope with wartime anxiety is now bringing cheer to civilians and veterans.

The Swingin' Blue Stars formed just after 9/11. Almost 12 years later, the group is still taking its show on the road.

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How do we read "9/11" in the end part of the passage?

The usual way it's pronounced in the US is this: "nine eleven." Many people use either that expression, or they say, "September 11th."