Alan Mays' photos with the keyword: ukuleles

"Chase V. Bickle. Ukulele School. Beginners, advanced, melody. Studio: 1905 Elm St. Phone 2-1948." I believe that Mr. Bickle and his school were located in Dallas, Texas. Perhaps he knew Happy Jack True, Ace of the Uke :

"(Happy) Jack True, Ace of the Uke." I suppose that Happy Jack used this as a business card to promote his ace ukulele skills even though it doesn't include any contact information. It's possible that he was connected somehow with Chase V. Bickle's Ukelele School :

Anyone know what the actual name of this music group might be? There was no identifying information on the front or back of the photo.