IN THIS ISSUE •jTHREE JUBILEE CELEBRATIONS IN LEIPSIC, THE CITY OF BACH—By DR. ADOLF ABER *(PRACTICAL INSTRUMENTATION (TWENTY-FOURTH INSTALLMENT)—By FRANK PATTERSON jV\USICAL(ÔVRIER Weekly Reuieu/ OF THE World 's Music Published weekly by the Musical Courier Company, Inc., 437 Fifth Ave., _ Entered as Second Class Matter January 8, 1883, at the Post Suharrinhnn $5 Of) F nmnp U.Z,3 /Annually Forty-Fourth Year Price 15 Cents WHOLE NO. 2253 NEW YORK. THURSDAY, JUNE 14, 1923 VOL. LXXXVI NO. 24 ERNESTINE SCHUMANN HEINK Bigelow photo.