It is one of the greatest orchestras in the world.

Its something that is missing even in some of the world's greatest orchestras.

"Nothing but the world's greatest orchestra will do for him."

He also conducted some of the world's greatest orchestras and founded his own chamber orchestra.

He has conducted many of the world's greatest orchestras.

He conducted the greatest orchestras, and made many wonderful recordings.

It makes little sense to talk about the greatest orchestra in the world.

"He gave us one of the greatest orchestras in the world and we let him get away."

It had become one of the greatest orchestras in America and Europe.

I understand their desire to be thought of as the greatest orchestra in America, or the world.