Duke Ellington stars in this fascinating short promotional film that explains the tricky and complex process by which the legendary jazz pianist and band leader made records back in the 1930s.
 

“The Mooche” - Duke Ellington and His Orchestra (1928)
 

“Black Beauty” - Duke Ellington and His Orchestra (1928)
 

“Black and Tan Fantasie” - Duke Ellington and His Orchestra (1927)
 
With thanks to Tim Lucas