I thought the folks here might get a kick out of the slideshow at the Library of Congress website which shows how archival recordings were digitized for the National Jukebox...

http://www.loc.gov/…"]Making the National Jukebox | National Jukebox LOC.gov[/]="http://www.loc.gov/…"]Making the National Jukebox | National Jukebox LOC.gov[/]

PS. I'm really digging that turntable. Solid.