Yet Calder's art, magical as it is, is hard to make major in the only respect that matters, as supplying the renewed sense of possibility, of something as yet unseen, that some artists perpetually provide when we return to them.
It's the boundless inspiration it perpetually provides for all the bands that have yet to emerge from the basement".
For all his dottiness (among his inventions are a pipe that will stay perpetually lit provided it is smoked upside down and a revolutionary bottle opener for which, unfortunately, no matching bottle top exists), Riley has what Stoppard describes as "a tattered dignity".
Plenty of people, from theology professors to international-relations wonks, perpetually available to provide services as talkers.
Ms. Coolidge, playing the perpetually pregnant Edith Potter, provides the kind of refined study in vulgarity more commonly found in restoration comedies.
And over the course of the 20th century, cinema provided a vast, perpetually replenishing reservoir of raw material for the fantasies of millions of people.
"Prisoners are provided only enough food to be kept perpetually on the verge of starvation," the report says.
This city provides a perpetually apt backdrop for Shakespeare, whose scrutiny of power always penetrates to the corruptible bones.
"The new market is old age," said Joseph F. Coughlin, director of the AgeLab at M.I.T. "Baby boomers provide a perpetually youthful market".
The sneering, sarcastic host -- along with his guests and callers -- provides a perpetually updating archive of the race-, class- and gender-based resentments that animate the base of the Republican Party and drive right-wing electoral politics in the early 21st century.
