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New York Tribune, August 14, 1919, page 6:

Airplane  Provides  Jazz  for  Broadway  Dancing  Contest

Phonograph  on  'Pathfinder'  Plainly  Heard  Through  Wireless  Telephone;  Farewell  to  New York

    Out of the skies above the "Great White Way" there floated down yesterday the jazz strains of a popular air.
    These syncopated tones came from a phonograph carried on one of the "All-American Pathfinders" squadron of airplanes that is about to fly across the continent on a recruiting tour.
    Through the air into the offices of the Adams Aerial Transportation Company at Forty-second Street and Broadway they came, undeterred by the pickets of striking actors who surged around the building. There they were interpreted into scratchy music by a wireless telephone receiver that had been especially installed by the army for the occasion.
    Inside a space had been cleared on the waxed floors and devotees of the terpsichorean art indulged in their favorite pastime for the first time to the tune of music rendered in the air 4,000 feet above them.
    The prize to this unique contest went to Miss Lyle J. Kendall and her partner, Private Paul S. Bear, a member of the radio section of the All-American Pathfinders' Squadron.
    The airplane on which the phonograph was carried was the "Roosevelt," one of the six Curtiss biplanes that are to blaze a new trail across the continent. In it were Lieutenant J. E. Adams, pilot, and Lieutenant C. C. Shangraw, radio officer.
    The aerial concert was the first of a series that will be given over each of the 171 cities that the squadron will visit on its transcontinental flight. The motor transport train, carrying all the supplies of the squadron, left Hazelhurst Field yesterday for the first stop.
    While flying over Forty-second Street and Broadway Lieutenant Shangraw delivered the final message of greeting to New York by wireless telephone. He said:
    "From the commander of the All-American Pathfinder Squadron I wish to express my sincere appreciation for the kindness and hospitality that we have received in New York. We are now starting out across the country to blaze a new trail. We only hope that we will meet with the same cordial hospitality. I will now play you a tune."
    The other airplanes of the bear the squadron names of famous pioneers; they are "Pike," "Boone," "Lewis," "Clark" and "Fremont." They will start on their momentous flight this afternoon. It is expected it will occupy four months.