http://youtu.be/IaeNQC7PWK4
Poem by Yusef Komunyakaa
Read by Michael Lythgoe for the Favorite Poem Project
Excerpt of a film by Barry Dornfeld and Maggie Holtzberg-Call
Gandy dancers were the guys who straightened track. A YouTube preview from a full-length documentary (not embeddable) on Folkstreams.net.