But it has also revived important works that can be considered classics of modern dance.
They also revived neglected works, most notably the two early duo concertos by Felix Mendelssohn.
Given how vast the catalogue of operatic rarities is, the efforts by music schools to revive lost works is usually rewarding.
Several companies have recently revived works from that decade.
As a rule, however, the celebration confirmed Balanchine's doubts about reviving works he had discarded.
He continues to whiz about, reviving works and sharing his knowledge.
Meanwhile, international donors and lenders see no future in reviving rusting industrial works, unless private investors want to buy them.
The concert's success should encourage other eminent older choreographers to revive works.
She would also like to revive other works for small casts that could blossom on small stages.
To celebrate her company's 20th anniversary this year, Miss Brown is reviving early works.