SERIES OF COPLEY-PLAZA MUSICALES BEGINS MONDAY

The first of the series of Copley-Plaza concerts will be given in the ball-room of the Copley-Plaza Hotel, Boston, next Monday morning at 11 o'clock. The artists will be Johannes Sembach, Johnna Gadski, of the Metropolitan Opera Company, and Beatrice Harrison, the young and already famous 'cellist. Mr. Sembach, who will sing tenor, and Madame Gadski, prima donna, took part in the production of Siegfried in the Stadium last June. The program includes selections from Schuman, Schubert, Handel, and a duet from Act 1 of Wagner's "Goetterdaemmerung" by Mr. Sembach and Mme. Gadski. Elmer Wilson will be the accompanist.