The producers have accumulated a mountain of information, archival clips and filmed interviews with witnesses and experts, and fashioned it into a compelling narrative.

Many groaned and shook their heads at archival clips in which top-level management appeared arrogant, dishonest and greedy.

Coleman Hawkins in an archival clip from Night Music....

Not so coincidentally, a documentary of the studio sessions has been made, supplemented with interviews and archival clips.

Both use archival clips to recall past storms, and both present experts who saw the whole thing coming but couldn't prevent the devastation.

A film called "The Cedar Bar" (2003) mixes and matches archival clips with a group of actors reading a play about his old circle.

Amos Milburn in an archival clip from Night Music.

And "An Unreasonable Man," a conventional collage of archival clips and retrospective interviews, works hard to do him justice.

Mr. Pryor, who suffers from multiple sclerosis, will be shown in archival clips from concerts and other performances.

The impact of this archival clip was as devastating as it was unexpected.