. . "1921-04-29T20:30:00"^^ . . . . "joint recital" . "Benefit Concert for the Boys' Club Federation (Incorporated), 110 West 40th Street\r\nConcert given under the auspices of Composers' Music Corporation, New York" . "benefit performance" . . . . . . . . . . . . . . . "Benefit: Boys' Club Federation: Louis Graveure, Baritone, Albert Spalding, Violin, and Rudolph Ganz, Piano" . . . .