ROBERTA LEE Soprano 1919 MAURITS LEEFSON Pianist 1907 ALFRED LENNARTZ Cellist and Organist 1915 WASSILI LEPS Pianist 1908, 1910, 1911, 1912 EMILIE FRICKE LESHER Pianist 1922 MISCHA LEVITZKI Pianist 1921 JOSEF LHEVINNE Pianist 1907, 1909 JOSEF AND ROSINA LHEVINNE Pianists 1922 JAMES LIEBLING Cellist 1914 ALBERT LINDQUEST Tenor 1917 HUBERT LINSCOTT Basso 1924 S. H. LIPSCHUETZ Basso 1912, 1913 CARLO LITEN DRAMATIC Reader 1918 ALFRED LORENZ Violinist 1904 WALDEMAR LUTSCHG Pianist 1905 MADELEINE MCGUIGAN Violinist 1915, 1916, 1917 J. CAMPBELL MCINNES Baritone 1920 MARGARET MCMULLIN Soprano 1919 GUY MAIER Pianist (with Lee Pattison) 1924, 1925 ANDRÉ MAQUARRE Flutist 1919, 1920, 1921 DANIEL MAQUARRE Flutist 1911, 1912, 1913, 1914, 1915, 1916, 1918 MARVINE MAAZEL Pianist 1920 EDWARD MACDOWELL Pianist 1901 WILL C. MACFARLANE Organist 1917 C. STANLEY MACKEY Tuba 1914 FRANCIS MACMILLEN Violinist 1911 HELEN MACNAMEE-BENTZ Soprano 1911, 1913, 1914, 1915 CHARLOTTE MACONDA Soprano 1903 JOHN MARQUARDT Violinist 1903 MRS. JOHN MARQUARDT Harpist 1903 HELENA MARSH Contralto 1923 HENRI MARTEAU Violinist 1906 FREDERIC MARTIN Basso 1907 GURNEY MATTOX Violinist 1915 MARGARET MATZENAUER Contralto 1917, 1918, 1919, 1920, 1921 GEORGE MEADER Tenor 1921 NICHOLAS MEDTNER Pianist 1924 ELSA MEISKEY Soprano 1917 KATHRYN MEISLE Contralto 1918 YOLANDA MERÖ Pianist 1911, 1913, 1916, 1921, 1924 CAROLINE MIHR-HARDY Soprano 1904, 1905 GWILYN MILES Baritone 1901 LETITIA RADCLIFFE MILLER Pianist 1916 SELDEN MILLER Pianist and Organist 1905, 1906 MARGARET ASHMEAD MITCHELL Soprano 1915 BENNO MOISEIWITSCH Pianist 1919, 1923