By then, working in concert had become almost second nature.

Hope to actually see you for the 1st time ever in concert.

If you get a chance to see them in concert, do so.

I saw him in concert once and he was fun to watch.

Why should they act in concert this way against her?

It will be the third time I've seen him in concert.

All participants play together in a concert on the last day.

Still, there was a lot of interest in his first concert.

Often, the two drugs are used in concert with one another.

"How is she to know that you aren't Working in concert with your father?"