Forwarding this from Frank Reighter...
As a Happy New Year gift to all of you, Bill Cappello found the YouTube video below. From the book "The Soundees Distributing Corporation", Dudley Dickerson is credited with Dorothy Dandridge as being in COW COW BOOGIE, filmed on Oct. 26, 1942.
[youtube=425,350]xovmaG9S0sQ[/youtube]