Fourth Referendum Concert Portland Chapter Pro-Musica, Inc. Art Museum, Sunday, April 14, 3:15 p. m. Presenting Winifred Willson Quinlan, Soprano Nicola Zan, Baritone Beatrice Hidden Eichenlaub, Piano Ruth Orser Sanders, Piano Ingeborg Olund Pearson, Accompanist Margaret Laughton Barr, Flute Frank Eichenlaub, Violin Christian Pool, Violoncello Program Aria for Flute, 'Cello and Piano ....................Rameau La La Bord, La Boucou, Two Menuets. Mrs, Sanders, Mrs. Baar, Mr. Pool. Songs— II Regardait mon Bouquet ..................Monsigny (from Le Roi et le Fermier) Le  Charme ................................Chaussou Here Beauty Lies ......................Rachmaninoff The Hills of Gruzia ........................Mednikoff Dreams ......................................Chasins Mrs. Quinlan. Sonata for Violin and Piano ..............Alexander Steinert Allegro, Lento. Mr. and Mrs. Eichenlaub. Songs— Rispetto Primo ..........................Wolf-Ferrari Rispetto Quarto .........................Wolf-Ferrari Jugoslav Folk Songs ......arranged by Petar Konijovic Sunci bi Sjalo (Sun Would Shine) Pod Pendzere (Under Thy Window) Stojano Mori Stojano (Dearest Stojano) Mr. Zan. Mrs. Quinlan and Mr. Zan are appearing on this program through the courtesy of the Nero Musical Bureau. Steinway piano used courtesy of Sherman, Clay & Co. Mason-Hamlin is the official piano of Pro-Musica, Inc. Members are given privilege of partial ticket to the Concert May 3d of the Symphonic Band of the Royal Belgian Guards.