"We don't want to become caricatures of ourselves, or worse yet, a nostalgia act."

The review added that Ms. Summer was "basically just a top-flight nostalgia act."

Of late, she has become a Michael Jackson-ish figure, too preposterous to function even as a nostalgia act.

He said that his band should not be viewed as a nostalgia act.

It's as if the hiatus has changed them from pop stars into a premature nostalgia act.

Lewis continued touring, eventually marketing the band as a nostalgia act.

But for the moment, here in the United States, Rain sounded like a nostalgia act.

In an hourlong set that charged through nearly two dozen songs, they were anything but a nostalgia act.

They haven't become a nostalgia act, but they haven't lost touch with their past either.

Acting more or less like a 1980s hardcore band, in other words, but without seeming like a nostalgia act.