Despite the fact tbat Sembriub, who was to have beeu the star soloist at the May Festival tnis year, has cancelec her contract to appear here on accouni of illness, all Anu Arbor aoci iudeec music lovers from all parts of the state are eagerly auticipating this year's series of coucerts. For five years the Uuversity Musical Society has brouglv to Ann Arbor the leading artista o: the couutry and given a series of con certs which have attracted universa attention. The demand for tickets tbis year has beeu greater than ever before and all indicatious poiut to as large an attendanoe as University hall can accornmodate. The work of the big Choral Union chorus is perhaps the main attraction and forms the basis for the whole series of concerts. There will be abont 275 voices in the chorus this year dis tributed approximately as follows Sopranos, 100 ; altos, 50 ; tenors, 50 bassos, 75. The vork of training the chorus has this year devolved upon Prof. Hermann A. Zeitz, of the School of Mnsic, who has proven himself a first class conductor in every respect. The progam for the opening concert this evening is at follows : 1 Overture to "Die Meistersinger".._Wagner 2 Hymn to St. Cecilia... ..Gounod 3 Aria. "Farwell Ye Hills,"írem "Joan of Are" - Tschaikow.sk Miss Andersoni Aria. "Vision Fugitive," from "Herodiabe," - Massenet Sig. Campanari. 5 Bequiem - - Brahms (a) Poco Andante (b) Moderato, in modo di Marcia. The Choral Union. 6 Two Movements from the Suite d'Orehestre Moszkowsk (a) Theme and Variations. (b) Perpetual Motion. 7 Prologue to "Pagliacei," Leoncavallo Sifr. Campanari. 8 Motett. "Gallia,". Gounod Jliss Anderaon, The Choral Union, Orcneetra and Orean, The second concert will be given tomorrow afternoon at 3 o'clock. Il will open with an overture, "A Jí'anst Overture" Wagner, "Eutbehren solist du soist enbehren," is the motto of this moveiueut. It will be followed by au aria, "Cielo E. Mare," from "La Gioconda, Ponchielli, Mr. Shirley. " La Gioconda was first brought out at La Scala, Milán, April 8, 1876. In Englaud it was first prodnced at Covenaut Garden, May, 1883. It wás first given by Abbey's farnons Italian opera company in New York, and later in tbe season in Boston with Nilsson and Fnrsch Madi iu the leading roles. "Fantasie," Romeo and Jnliet, Svendson, Hnngairau Fantasie, T,izst, Miss vou Grave. This Fantasie, based on Hnngaii"an popular songs, is considered one of the most important works of Franz Liszt, a Hnngariau by birth. Aria, "Plenres JUes Teux" from Le Cid Massenet. Miss Anderson. The concert will close with "Symphony NoJ , in F Major, "In the Woods," Op. 158, Raff.