An original scan of this article appears at https://chroniclingamerica.loc.gov/lccn/sn83030193/1919-05-06/ed-1/seq-1.
New York Evening World, May 6, 1919, page 1:
WIRELESS CONCERT LINKS SHIPS AT SEA 100 MILES APART
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Passengers Aboard Two Other Vessels Enjoy Music on George Washington.
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"There's a Long, Long Trail" flowed melodiously from the wireless telephone on the Transport President Grant as it plowed its way toward this port. Soldiers and sailors picked up the tune, some of them swung into a one-step and others crowded near the big megaphone.
There was no trail. The strains that poured out of the horn on the President Grant were being played by a phonograph aboard the transport George Washington, 100 miles ahead. Through the air they tumbled over one another until the instrument on the President Grant picked them up. Then out came the song, distinct and harmonious. Every ship equipped with a wireless telephone within 100 miles of the George Washington could have heard the music. One of them did--the Cap Finisterre, which wirelessed back its thanks with a request for more.
Details of this latest marvel of the wireless telephone were told to-day by officers of the George Washington, which arrived yesterday. The deep blue sea concert was part of the programme for a dinner given by the officers of the 32nd Division on board the George Washington for Major Gen. W. M. Haan, commander. At the same time dinners were being given by units of the 32nd on the Cap Finisterre, the President Grant and in Coblenz. All arrangements for the simultaneous dinners were made by wireless, and the assistance of the General Electric Company was enlisted to provide new devices and amplifiers for the music.
Secretary Baker was on the George Washington and made an address that was heard on the ships and in Washington. The liner was too far from Coblenz.
The President Grant men clamored for more music and got it--"Keep the Home Fires Burning," "Over There"--half a dozen of the most popular war songs. When the programme was completed there was a general round of felicitations over the 100-mile music stunt.