Hans Kindler was born in Rotterdam, Holland, and was educated in the High School and University of that city. When he was nine years old he began to play the ’cello, and later he attended the Rotterdam Conservatory, where he studied under Mossel, Jean Gerardy, and Casals. He was for two years solo cellist with the Deutsches Opernhaus, Berlin-Charlottenburg, and during his residence in Berlin he taught the ’cello at the Scharwenka Conservatory. Mr. Kindler has appeared with the principal orchestras in Berlin, Amsterdam, Birmingham, and Hanover, under such famous conductors as Mengelberg, Kunwald, Schönberg, Landon Ronald, etc. He has also played in joint recitals with Julia Culp, Xaver Scharwenka, and Ferruccio Busoni, who dedicated to him a transcription of a Chromatic Fantasy by Bach. He has also played for the Queen of Holland and for the Prince and Princess of Wied in Berlin. DAVID DUBINSKY: _First second Violinist_, was born in Odessa, Russia, educated in Philadelphia. Began his musical education at the age of eleven. Studied the violin under Schradieck and Sauret. Original member of Philadelphia Orchestra. Four seasons in Pittsburg Orchestra under Emil Paur, serving as principal second violin. Played in Cincinnati Orchestra in May Festivals of 1906 and 1914 Boston Festival Orchestra. _Engaged for Philadelphia in 1908._ ROMAIN JOSEPH VERNEY: _First Viola_, was born in Paris, France, graduated with honors from the Paris Conservatory, where he studied under Theophile Laforge, at the age of eighteen. Was one of the principals at the Opera Comique and played in the Concerts Colonne. Came to this country in 1906 to be first viola with the New York Symphony Orchestra, where he remained for five years, and from there went to the Chicago Grand Opera Company. _Engaged for Philadelphia Orchestra 1920._ WILLIAM MORRIS KINCAID: _First Flute_, was born in Minneapolis, educated at Punahan, Honolulu, also Columbia University. While living in Hawaiian Islands began to study the piano at the age of seven, flute at the age of eight, and after moving to the United States, the organ. He studied the flute at Institute of Musical Art with George Barrère, from which he graduated in the regular and artist course. He played with New York Symphony Orchestra for five years. Soloist at concerts in and around New York and on tour with New York Symphony and New York Chamber Music Society. _Engaged for Philadelphia Orchestra in 1921._