"choir performance" . . . "The Society for the Preservation and Encouragement of Barber Shop Quartet Singing in America, Incorporated, presents its Annual Concert of Barbershop Harmony\r\nThe Key Men, of the S.P.E.B.S.Q.S.A. Manhattan Chapter, performed during intermission." . . . . . . . . . "1957-04-26T20:00:00"^^ . . . "Barbershop Quartet Concert" . .