Wizard of Oz Medley by Boston Gay Men's Chorus

First theatrical release by The Ken Darby Singers - The King's Men (August 12, 1939)

First release by Victor Young and His Orchestra - Vocals under the direction of Ken Darby (September 1939)

First theatrical release by The Ken Darby Singers - The King's Men (August 12, 1939)

First recording by Victor Young and His Orchestra - Vocals under the direction of Ken Darby (July 29, 1939)

First theatrical release by Judy Garland & Ray Bolger (August 12, 1939)

First recording by Victor Young and His Orchestra - Vocals under the direction of Ken Darby (July 29, 1939)

First theatrical release by Jack Haley (August 12, 1939)

First theatrical release by Bert Lahr (August 12, 1939)

First release by Victor Young and His Orchestra - Vocals under the direction of Ken Darby (September 1939)

First theatrical release by Bert Lahr (August 12, 1939)

First theatrical release by MGM Studio Chorus, The Debutantes and The Rhythmettes (August 12, 1939)