"These works rarely come on the market, since most collectors simply won't part with them."

From these experiences new works would come, the artist said.

Not all the good works come from those who have abandoned the high-tech world.

As a result, works are coming back on the market faster than in the years when the economy was stronger.

By about 1870, older works had come to dominate the scene.

Indeed, perhaps the most surprising works in this show come from the late 15th century.

All the works in this show come from museum collections.

The 72 works in it come from 17 institutions worldwide.

Before intermission came two different works played much the same way.

But works of entertainment don't come and go in a vacuum.