It don't mean a thing If it ain't got that swing.

Discoveries
Irving and Jack discovered a number of great songwriters among them Sammy Fain Harry Barris Gene Austin Hoagy Carmichael Jimmy McHugh and Dorothy Fields. Irving also formed Mills Artists Booking Company. Instead of going out and making the rounds he found himself sitting there all night listening to the orchestra.

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Mills was born to Jewish parents in the Lower East Side of Manhattan in New York City. His interment was at Mount Sinai Memorial Park Cemetery.