Where did armstrong live and perform?

Please clarify who you mean by "Armstrong." There are many famous people with that last name, including:

* Neil Armstrong: The first person to walk on the moon. He lived in Wapakoneta, Ohio, and later in Cincinnati, Ohio, and Indian Hills, Ohio.

* Louis Armstrong: A legendary jazz musician. He lived in New Orleans, Louisiana, and later in New York City. He performed around the world.

Please provide more context so I can give you a more specific answer.