Music: Barbershop Chords & Records

To promote close harmony—as she is sung by Saturday-night whiskey tenors and beery baritones—a device was on sale in Manhattan last week which threatened to bring Sweet Adeline within the reach of all but the tone-deaf. "Listen-n-Sing" phonograph records teach barbershop harmonizing by taking it apart.

After a Saturday-night singer decides which part he wants to sing—First Tenor, Second Tenor, First Bass, Second Bass—he plays a 75¢ disc. On one side his part in Sweet Adeline, Let Me Call You Sweetheart and In the Evening by the Moonlight is sung solo; on the other the songs are let loose by a professional...