The collection of songs — some of which feature a 12-year-old Garland's 1935 Decca studio tests — spans the years 1929-1959. "Judy Garland – The Lost Tracks" boasts 100 songs, 55 of which have never been previously released.

JSP will first release the collection in the U.K. Aug. 2, with a planned U.S. release in the future, according to representatives. All of the songs in "The Lost Tracks" have been remastered.

Notable inclusions are some of the earliest surviving recordings of the Gumm Sisters performing together, as well as a young Garland singing "Bill" and "On the Good Ship Lollipop/The Object of My Affection/Dinah" with her mother accompanying on the piano. The latter tracks were rejected by Decca in 1935 and thought to be lost until discovered in a trash heap outside Garland's vacated home in 1960.

The discs also capture Garland's radio and stage appearances, including duets with Mickey Rooney, Bing Crosby, Fred Astaire, Gene Kelly and Frank Sinatra; and performances of "Strike Up the Band," “Blue Skies/How Deep is the Ocean?," "This is New," "My Ship," "It Only Happens When I Dance With You" and "All Through the Day."

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