They began an extraordinary collaboration.

In theory it seemed like an extraordinary collaboration planned for Carnegie Hall.

"It was an extraordinary collaboration I witnessed today, and not a bad model, in a general way, of dealing with possible terrorism in the months and years ahead."

What followed next was an extraordinary collaboration, between a creative agency and a tenacious client.

When Mr. Sottsass returned to Italy he began an extraordinary collaboration with Olivetti.

I have many fine memories of concerts at Caramoor, but one stands out as an extraordinary collaboration between man and nature.

Later, of course, the director would begin an extraordinary collaboration with Stephen Sondheim.

He agreed, and it was an extraordinary collaboration.

The Havana Jazz Club is an extraordinary artistic collaboration.

"That was the start of an extraordinary collaboration."