UNT professor to conduct at American Choral Directors Association national conference. Joshua Habermann, UNT professor of choral literature, will be conducting the Dallas Symphony Chorus and Dallas Symphony Orchestra in two movements from the Messa per Rossini, the Introit by Buzzolla and the final movement, which is also the final movement of Verdi's Requiem (Libera Me). He is director of the Dallas Symphony Chorus and music director of the Santa Fe Desert Chorale.